Finding the Fourth Proportional to 12,918,593.52, 17,830,240.83 and 7,415,688.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,918,593.52 : 17,830,240.83 = 7,415,688.42 : x
2. Step 2: Convert to fraction form
   12,918,593.52/17,830,240.83 = 7,415,688.42/x
3. Step 3: Cross multiply
   12,918,593.52x = 17,830,240.83 × 7,415,688.42
4. Step 4: Simplify right side
   12,918,593.52x = 132,223,510,448,842.17
5. Step 5: Solve for x
   x = 132,223,510,448,842.17/12,918,593.52
6. Step 6: Final answer
   x = 10,235,132.04