Finding the Fourth Proportional to 124,914.23, 172,377.33 and 71,216.54

Step by Step Solution

1. Step 1: Write the proportion equation
   124,914.23 : 172,377.33 = 71,216.54 : x
2. Step 2: Convert to fraction form
   124,914.23/172,377.33 = 71,216.54/x
3. Step 3: Cross multiply
   124,914.23x = 172,377.33 × 71,216.54
4. Step 4: Simplify right side
   124,914.23x = 12,276,116,155.15
5. Step 5: Solve for x
   x = 12,276,116,155.15/124,914.23
6. Step 6: Final answer
   x = 98,276.37