Finding the Fourth Proportional to 59,628.18, 89,445 and 42,175.92

Step by Step Solution

1. Step 1: Write the proportion equation
   59,628.18 : 89,445 = 42,175.92 : x
2. Step 2: Convert to fraction form
   59,628.18/89,445 = 42,175.92/x
3. Step 3: Cross multiply
   59,628.18x = 89,445 × 42,175.92
4. Step 4: Simplify right side
   59,628.18x = 3,772,425,164.40
5. Step 5: Solve for x
   x = 3,772,425,164.40/59,628.18
6. Step 6: Final answer
   x = 63,265.81