Finding the Fourth Proportional to 64,968.47, 89,656.49 and 35,160.47

Step by Step Solution

1. Step 1: Write the proportion equation
   64,968.47 : 89,656.49 = 35,160.47 : x
2. Step 2: Convert to fraction form
   64,968.47/89,656.49 = 35,160.47/x
3. Step 3: Cross multiply
   64,968.47x = 89,656.49 × 35,160.47
4. Step 4: Simplify right side
   64,968.47x = 3,152,364,302.78
5. Step 5: Solve for x
   x = 3,152,364,302.78/64,968.47
6. Step 6: Final answer
   x = 48,521.45