Finding the Fourth Proportional to 7,047,892.10, 10,548,218.55 and 7,047,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,047,892.10 : 10,548,218.55 = 7,047,892.10 : x
2. Step 2: Convert to fraction form
   7,047,892.10/10,548,218.55 = 7,047,892.10/x
3. Step 3: Cross multiply
   7,047,892.10x = 10,548,218.55 × 7,047,892.10
4. Step 4: Simplify right side
   7,047,892.10x = 74,342,706,187,618.45
5. Step 5: Solve for x
   x = 74,342,706,187,618.45/7,047,892.10
6. Step 6: Final answer
   x = 10,548,218.55