Finding the Fourth Proportional to 88,009.42, 131,878.24 and 59,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   88,009.42 : 131,878.24 = 59,434.38 : x
2. Step 2: Convert to fraction form
   88,009.42/131,878.24 = 59,434.38/x
3. Step 3: Cross multiply
   88,009.42x = 131,878.24 × 59,434.38
4. Step 4: Simplify right side
   88,009.42x = 7,838,101,429.89
5. Step 5: Solve for x
   x = 7,838,101,429.89/88,009.42
6. Step 6: Final answer
   x = 89,059.80