Finding the Fourth Proportional to 64,018.98, 88,335.63 and 35,724.60

Step by Step Solution

1. Step 1: Write the proportion equation
   64,018.98 : 88,335.63 = 35,724.60 : x
2. Step 2: Convert to fraction form
   64,018.98/88,335.63 = 35,724.60/x
3. Step 3: Cross multiply
   64,018.98x = 88,335.63 × 35,724.60
4. Step 4: Simplify right side
   64,018.98x = 3,155,755,047.50
5. Step 5: Solve for x
   x = 3,155,755,047.50/64,018.98
6. Step 6: Final answer
   x = 49,294.05