Finding the Fourth Proportional to 124,825.56, 172,258.56 and 71,112.84

Step by Step Solution

1. Step 1: Write the proportion equation
   124,825.56 : 172,258.56 = 71,112.84 : x
2. Step 2: Convert to fraction form
   124,825.56/172,258.56 = 71,112.84/x
3. Step 3: Cross multiply
   124,825.56x = 172,258.56 × 71,112.84
4. Step 4: Simplify right side
   124,825.56x = 12,249,795,415.91
5. Step 5: Solve for x
   x = 12,249,795,415.91/124,825.56
6. Step 6: Final answer
   x = 98,135.31