Finding the Fourth Proportional to 122,533,068.10, 171,976,762.55 and 122,533,068.10

Step by Step Solution

1. Step 1: Write the proportion equation
   122,533,068.10 : 171,976,762.55 = 122,533,068.10 : x
2. Step 2: Convert to fraction form
   122,533,068.10/171,976,762.55 = 122,533,068.10/x
3. Step 3: Cross multiply
   122,533,068.10x = 171,976,762.55 × 122,533,068.10
4. Step 4: Simplify right side
   122,533,068.10x = 21,072,840,357,156,680
5. Step 5: Solve for x
   x = 21,072,840,357,156,680/122,533,068.10
6. Step 6: Final answer
   x = 171,976,762.55