Finding the Fourth Proportional to 88,790.80, 133,185.84 and 42,076.48

Step by Step Solution

1. Step 1: Write the proportion equation
   88,790.80 : 133,185.84 = 42,076.48 : x
2. Step 2: Convert to fraction form
   88,790.80/133,185.84 = 42,076.48/x
3. Step 3: Cross multiply
   88,790.80x = 133,185.84 × 42,076.48
4. Step 4: Simplify right side
   88,790.80x = 5,603,991,333.04
5. Step 5: Solve for x
   x = 5,603,991,333.04/88,790.80
6. Step 6: Final answer
   x = 63,114.55