Finding the Fourth Proportional to 7,776,019.10, 10,861,232.50 and 7,776,019.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,776,019.10 : 10,861,232.50 = 7,776,019.10 : x
2. Step 2: Convert to fraction form
   7,776,019.10/10,861,232.50 = 7,776,019.10/x
3. Step 3: Cross multiply
   7,776,019.10x = 10,861,232.50 × 7,776,019.10
4. Step 4: Simplify right side
   7,776,019.10x = 84,457,151,369,540.75
5. Step 5: Solve for x
   x = 84,457,151,369,540.75/7,776,019.10
6. Step 6: Final answer
   x = 10,861,232.50