Finding the Fourth Proportional to 64,968.75, 89,656.92 and 35,160.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,968.75 : 89,656.92 = 35,160.75 : x
2. Step 2: Convert to fraction form
   64,968.75/89,656.92 = 35,160.75/x
3. Step 3: Cross multiply
   64,968.75x = 89,656.92 × 35,160.75
4. Step 4: Simplify right side
   64,968.75x = 3,152,404,549.89
5. Step 5: Solve for x
   x = 3,152,404,549.89/64,968.75
6. Step 6: Final answer
   x = 48,521.86