Finding the Fourth Proportional to 90,382.56, 135,611 and 39,755.52

Step by Step Solution

1. Step 1: Write the proportion equation
   90,382.56 : 135,611 = 39,755.52 : x
2. Step 2: Convert to fraction form
   90,382.56/135,611 = 39,755.52/x
3. Step 3: Cross multiply
   90,382.56x = 135,611 × 39,755.52
4. Step 4: Simplify right side
   90,382.56x = 5,391,285,822.72
5. Step 5: Solve for x
   x = 5,391,285,822.72/90,382.56
6. Step 6: Final answer
   x = 59,649.63