Finding the Fourth Proportional to 64,887.50, 89,544.84 and 35,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,887.50 : 89,544.84 = 35,079.50 : x
2. Step 2: Convert to fraction form
   64,887.50/89,544.84 = 35,079.50/x
3. Step 3: Cross multiply
   64,887.50x = 89,544.84 × 35,079.50
4. Step 4: Simplify right side
   64,887.50x = 3,141,188,214.78
5. Step 5: Solve for x
   x = 3,141,188,214.78/64,887.50
6. Step 6: Final answer
   x = 48,409.76