Finding the Fourth Proportional to 64,784.55, 89,399.06 and 35,711.98

Step by Step Solution

1. Step 1: Write the proportion equation
   64,784.55 : 89,399.06 = 35,711.98 : x
2. Step 2: Convert to fraction form
   64,784.55/89,399.06 = 35,711.98/x
3. Step 3: Cross multiply
   64,784.55x = 89,399.06 × 35,711.98
4. Step 4: Simplify right side
   64,784.55x = 3,192,617,308.52
5. Step 5: Solve for x
   x = 3,192,617,308.52/64,784.55
6. Step 6: Final answer
   x = 49,280.54