Finding the Fourth Proportional to 124,516.18, 171,831.52 and 70,801.20

Step by Step Solution

1. Step 1: Write the proportion equation
   124,516.18 : 171,831.52 = 70,801.20 : x
2. Step 2: Convert to fraction form
   124,516.18/171,831.52 = 70,801.20/x
3. Step 3: Cross multiply
   124,516.18x = 171,831.52 × 70,801.20
4. Step 4: Simplify right side
   124,516.18x = 12,165,877,813.82
5. Step 5: Solve for x
   x = 12,165,877,813.82/124,516.18
6. Step 6: Final answer
   x = 97,705.20