Finding the Fourth Proportional to 7,007,399.30, 9,786,444.18 and 7,007,399.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,007,399.30 : 9,786,444.18 = 7,007,399.30 : x
2. Step 2: Convert to fraction form
   7,007,399.30/9,786,444.18 = 7,007,399.30/x
3. Step 3: Cross multiply
   7,007,399.30x = 9,786,444.18 × 7,007,399.30
4. Step 4: Simplify right side
   7,007,399.30x = 68,577,522,061,384.08
5. Step 5: Solve for x
   x = 68,577,522,061,384.08/7,007,399.30
6. Step 6: Final answer
   x = 9,786,444.18