Finding the Fourth Proportional to 88,788.80, 133,182.84 and 42,074.48

Step by Step Solution

1. Step 1: Write the proportion equation
   88,788.80 : 133,182.84 = 42,074.48 : x
2. Step 2: Convert to fraction form
   88,788.80/133,182.84 = 42,074.48/x
3. Step 3: Cross multiply
   88,788.80x = 133,182.84 × 42,074.48
4. Step 4: Simplify right side
   88,788.80x = 5,603,598,737.92
5. Step 5: Solve for x
   x = 5,603,598,737.92/88,788.80
6. Step 6: Final answer
   x = 63,111.55