Finding the Fourth Proportional to 147,617,892.10, 221,426,838.15 and 147,617,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,617,892.10 : 221,426,838.15 = 147,617,892.10 : x
2. Step 2: Convert to fraction form
   147,617,892.10/221,426,838.15 = 147,617,892.10/x
3. Step 3: Cross multiply
   147,617,892.10x = 221,426,838.15 × 147,617,892.10
4. Step 4: Simplify right side
   147,617,892.10x = 32,686,563,102,070,864
5. Step 5: Solve for x
   x = 32,686,563,102,070,864/147,617,892.10
6. Step 6: Final answer
   x = 221,426,838.15