Finding the Fourth Proportional to 64,900.85, 89,564.33 and 38,062.71

Step by Step Solution

1. Step 1: Write the proportion equation
   64,900.85 : 89,564.33 = 38,062.71 : x
2. Step 2: Convert to fraction form
   64,900.85/89,564.33 = 38,062.71/x
3. Step 3: Cross multiply
   64,900.85x = 89,564.33 × 38,062.71
4. Step 4: Simplify right side
   64,900.85x = 3,409,061,214.29
5. Step 5: Solve for x
   x = 3,409,061,214.29/64,900.85
6. Step 6: Final answer
   x = 52,527.22