Finding the Fourth Proportional to 124,175.84, 171,366.38 and 76,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,175.84 : 171,366.38 = 76,456.72 : x
2. Step 2: Convert to fraction form
   124,175.84/171,366.38 = 76,456.72/x
3. Step 3: Cross multiply
   124,175.84x = 171,366.38 × 76,456.72
4. Step 4: Simplify right side
   124,175.84x = 13,102,111,333.07
5. Step 5: Solve for x
   x = 13,102,111,333.07/124,175.84
6. Step 6: Final answer
   x = 105,512.56