Finding the Fourth Proportional to 21,074,472.88, 31,616,221.52 and 6,303,728.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,074,472.88 : 31,616,221.52 = 6,303,728.09 : x
2. Step 2: Convert to fraction form
   21,074,472.88/31,616,221.52 = 6,303,728.09/x
3. Step 3: Cross multiply
   21,074,472.88x = 31,616,221.52 × 6,303,728.09
4. Step 4: Simplify right side
   21,074,472.88x = 199,300,063,790,086.38
5. Step 5: Solve for x
   x = 199,300,063,790,086.38/21,074,472.88
6. Step 6: Final answer
   x = 9,456,941.82