Finding the Fourth Proportional to 59,520.12, 89,196.72 and 42,801.48

Step by Step Solution

1. Step 1: Write the proportion equation
   59,520.12 : 89,196.72 = 42,801.48 : x
2. Step 2: Convert to fraction form
   59,520.12/89,196.72 = 42,801.48/x
3. Step 3: Cross multiply
   59,520.12x = 89,196.72 × 42,801.48
4. Step 4: Simplify right side
   59,520.12x = 3,817,751,627.15
5. Step 5: Solve for x
   x = 3,817,751,627.15/59,520.12
6. Step 6: Final answer
   x = 64,142.20