Finding the Fourth Proportional to 64,967.91, 89,655.71 and 35,159.91

Step by Step Solution

1. Step 1: Write the proportion equation
   64,967.91 : 89,655.71 = 35,159.91 : x
2. Step 2: Convert to fraction form
   64,967.91/89,655.71 = 35,159.91/x
3. Step 3: Cross multiply
   64,967.91x = 89,655.71 × 35,159.91
4. Step 4: Simplify right side
   64,967.91x = 3,152,286,694.59
5. Step 5: Solve for x
   x = 3,152,286,694.59/64,967.91
6. Step 6: Final answer
   x = 48,520.67