Finding the Fourth Proportional to 65,115.52, 89,826.94 and 43,857.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,115.52 : 89,826.94 = 43,857.88 : x
2. Step 2: Convert to fraction form
   65,115.52/89,826.94 = 43,857.88/x
3. Step 3: Cross multiply
   65,115.52x = 89,826.94 × 43,857.88
4. Step 4: Simplify right side
   65,115.52x = 3,939,619,155.29
5. Step 5: Solve for x
   x = 3,939,619,155.29/65,115.52
6. Step 6: Final answer
   x = 60,502.00