Finding the Fourth Proportional to 124,416,111.10, 173,779,447.70 and 124,416,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,416,111.10 : 173,779,447.70 = 124,416,111.10 : x
2. Step 2: Convert to fraction form
   124,416,111.10/173,779,447.70 = 124,416,111.10/x
3. Step 3: Cross multiply
   124,416,111.10x = 173,779,447.70 × 124,416,111.10
4. Step 4: Simplify right side
   124,416,111.10x = 21,620,963,071,939,836
5. Step 5: Solve for x
   x = 21,620,963,071,939,836/124,416,111.10
6. Step 6: Final answer
   x = 173,779,447.70