Finding the Fourth Proportional to 124,151.89, 171,333.50 and 70,439.17

Step by Step Solution

1. Step 1: Write the proportion equation
   124,151.89 : 171,333.50 = 70,439.17 : x
2. Step 2: Convert to fraction form
   124,151.89/171,333.50 = 70,439.17/x
3. Step 3: Cross multiply
   124,151.89x = 171,333.50 × 70,439.17
4. Step 4: Simplify right side
   124,151.89x = 12,068,589,181.00
5. Step 5: Solve for x
   x = 12,068,589,181.00/124,151.89
6. Step 6: Final answer
   x = 97,208.26