Finding the Fourth Proportional to 59,392.85, 89,014.55 and 42,437.57

Step by Step Solution

1. Step 1: Write the proportion equation
   59,392.85 : 89,014.55 = 42,437.57 : x
2. Step 2: Convert to fraction form
   59,392.85/89,014.55 = 42,437.57/x
3. Step 3: Cross multiply
   59,392.85x = 89,014.55 × 42,437.57
4. Step 4: Simplify right side
   59,392.85x = 3,777,561,040.09
5. Step 5: Solve for x
   x = 3,777,561,040.09/59,392.85
6. Step 6: Final answer
   x = 63,602.96