Finding the Fourth Proportional to 49,382,430.42, 74,073,653.71 and 20,612,871.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,382,430.42 : 74,073,653.71 = 20,612,871.78 : x
2. Step 2: Convert to fraction form
   49,382,430.42/74,073,653.71 = 20,612,871.78/x
3. Step 3: Cross multiply
   49,382,430.42x = 74,073,653.71 × 20,612,871.78
4. Step 4: Simplify right side
   49,382,430.42x = 1,526,870,726,200,351.25
5. Step 5: Solve for x
   x = 1,526,870,726,200,351.25/49,382,430.42
6. Step 6: Final answer
   x = 30,919,311.04