Finding the Fourth Proportional to 124,782.10, 172,204.72 and 70,352.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,782.10 : 172,204.72 = 70,352.52 : x
2. Step 2: Convert to fraction form
   124,782.10/172,204.72 = 70,352.52/x
3. Step 3: Cross multiply
   124,782.10x = 172,204.72 × 70,352.52
4. Step 4: Simplify right side
   124,782.10x = 12,115,036,007.89
5. Step 5: Solve for x
   x = 12,115,036,007.89/124,782.10
6. Step 6: Final answer
   x = 97,089.53