Finding the Fourth Proportional to 8,342,729.16, 11,507,018.52 and 7,656,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,342,729.16 : 11,507,018.52 = 7,656,612.72 : x
2. Step 2: Convert to fraction form
   8,342,729.16/11,507,018.52 = 7,656,612.72/x
3. Step 3: Cross multiply
   8,342,729.16x = 11,507,018.52 × 7,656,612.72
4. Step 4: Simplify right side
   8,342,729.16x = 88,104,784,369,507.56
5. Step 5: Solve for x
   x = 88,104,784,369,507.56/8,342,729.16
6. Step 6: Final answer
   x = 10,560,666.98