Finding the Fourth Proportional to 39,042,569,928.42, 53,874,981,707.85 and 21,896,119,304.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,042,569,928.42 : 53,874,981,707.85 = 21,896,119,304.82 : x
2. Step 2: Convert to fraction form
   39,042,569,928.42/53,874,981,707.85 = 21,896,119,304.82/x
3. Step 3: Cross multiply
   39,042,569,928.42x = 53,874,981,707.85 × 21,896,119,304.82
4. Step 4: Simplify right side
   39,042,569,928.42x = 1,179,653,027,020,078,710,784
5. Step 5: Solve for x
   x = 1,179,653,027,020,078,710,784/39,042,569,928.42
6. Step 6: Final answer
   x = 30,214,533,243.66