Finding the Fourth Proportional to 9,428,963.91, 13,012,061.18 and 5,354,612.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428,963.91 : 13,012,061.18 = 5,354,612.07 : x
2. Step 2: Convert to fraction form
   9,428,963.91/13,012,061.18 = 5,354,612.07/x
3. Step 3: Cross multiply
   9,428,963.91x = 13,012,061.18 × 5,354,612.07
4. Step 4: Simplify right side
   9,428,963.91x = 69,674,539,823,233.39
5. Step 5: Solve for x
   x = 69,674,539,823,233.39/9,428,963.91
6. Step 6: Final answer
   x = 7,389,416.32