Finding the Fourth Proportional to 65,353.59, 90,174.15 and 42,725.70

Step by Step Solution

1. Step 1: Write the proportion equation
   65,353.59 : 90,174.15 = 42,725.70 : x
2. Step 2: Convert to fraction form
   65,353.59/90,174.15 = 42,725.70/x
3. Step 3: Cross multiply
   65,353.59x = 90,174.15 × 42,725.70
4. Step 4: Simplify right side
   65,353.59x = 3,852,753,680.66
5. Step 5: Solve for x
   x = 3,852,753,680.66/65,353.59
6. Step 6: Final answer
   x = 58,952.44