Finding the Fourth Proportional to 64,901.60, 89,565.37 and 38,063.46

Step by Step Solution

1. Step 1: Write the proportion equation
   64,901.60 : 89,565.37 = 38,063.46 : x
2. Step 2: Convert to fraction form
   64,901.60/89,565.37 = 38,063.46/x
3. Step 3: Cross multiply
   64,901.60x = 89,565.37 × 38,063.46
4. Step 4: Simplify right side
   64,901.60x = 3,409,167,783.22
5. Step 5: Solve for x
   x = 3,409,167,783.22/64,901.60
6. Step 6: Final answer
   x = 52,528.26