Finding the Fourth Proportional to 64,899.91, 89,563.04 and 38,061.77

Step by Step Solution

1. Step 1: Write the proportion equation
   64,899.91 : 89,563.04 = 38,061.77 : x
2. Step 2: Convert to fraction form
   64,899.91/89,563.04 = 38,061.77/x
3. Step 3: Cross multiply
   64,899.91x = 89,563.04 × 38,061.77
4. Step 4: Simplify right side
   64,899.91x = 3,408,928,005.31
5. Step 5: Solve for x
   x = 3,408,928,005.31/64,899.91
6. Step 6: Final answer
   x = 52,525.93