Finding the Fourth Proportional to 64,889.48, 89,539.35 and 38,025.83

Step by Step Solution

1. Step 1: Write the proportion equation
   64,889.48 : 89,539.35 = 38,025.83 : x
2. Step 2: Convert to fraction form
   64,889.48/89,539.35 = 38,025.83/x
3. Step 3: Cross multiply
   64,889.48x = 89,539.35 × 38,025.83
4. Step 4: Simplify right side
   64,889.48x = 3,404,808,101.41
5. Step 5: Solve for x
   x = 3,404,808,101.41/64,889.48
6. Step 6: Final answer
   x = 52,470.88