Finding the Fourth Proportional to 64,457.50, 88,956.70 and 35,779.85

Step by Step Solution

1. Step 1: Write the proportion equation
   64,457.50 : 88,956.70 = 35,779.85 : x
2. Step 2: Convert to fraction form
   64,457.50/88,956.70 = 35,779.85/x
3. Step 3: Cross multiply
   64,457.50x = 88,956.70 × 35,779.85
4. Step 4: Simplify right side
   64,457.50x = 3,182,857,382.50
5. Step 5: Solve for x
   x = 3,182,857,382.50/64,457.50
6. Step 6: Final answer
   x = 49,379.17