Finding the Fourth Proportional to 88,789.80, 133,184.34 and 42,075.48

Step by Step Solution

1. Step 1: Write the proportion equation
   88,789.80 : 133,184.34 = 42,075.48 : x
2. Step 2: Convert to fraction form
   88,789.80/133,184.34 = 42,075.48/x
3. Step 3: Cross multiply
   88,789.80x = 133,184.34 × 42,075.48
4. Step 4: Simplify right side
   88,789.80x = 5,603,795,033.98
5. Step 5: Solve for x
   x = 5,603,795,033.98/88,789.80
6. Step 6: Final answer
   x = 63,113.05