Finding the Fourth Proportional to 64,967.89, 89,655.69 and 35,159.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,967.89 : 89,655.69 = 35,159.89 : x
2. Step 2: Convert to fraction form
   64,967.89/89,655.69 = 35,159.89/x
3. Step 3: Cross multiply
   64,967.89x = 89,655.69 × 35,159.89
4. Step 4: Simplify right side
   64,967.89x = 3,152,284,232.33
5. Step 5: Solve for x
   x = 3,152,284,232.33/64,967.89
6. Step 6: Final answer
   x = 48,520.65