Finding the Fourth Proportional to 9,518,623.55, 13,123,013.60 and 7,565,025.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518,623.55 : 13,123,013.60 = 7,565,025.05 : x
2. Step 2: Convert to fraction form
   9,518,623.55/13,123,013.60 = 7,565,025.05/x
3. Step 3: Cross multiply
   9,518,623.55x = 13,123,013.60 × 7,565,025.05
4. Step 4: Simplify right side
   9,518,623.55x = 99,275,926,617,999.47
5. Step 5: Solve for x
   x = 99,275,926,617,999.47/9,518,623.55
6. Step 6: Final answer
   x = 10,429,651.53