Finding the Fourth Proportional to 64,550.08, 89,071.33 and 35,869.60

Step by Step Solution

1. Step 1: Write the proportion equation
   64,550.08 : 89,071.33 = 35,869.60 : x
2. Step 2: Convert to fraction form
   64,550.08/89,071.33 = 35,869.60/x
3. Step 3: Cross multiply
   64,550.08x = 89,071.33 × 35,869.60
4. Step 4: Simplify right side
   64,550.08x = 3,194,952,353.86
5. Step 5: Solve for x
   x = 3,194,952,353.86/64,550.08
6. Step 6: Final answer
   x = 49,495.72