Finding the Fourth Proportional to 64,386.48, 88,857.48 and 35,709.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,386.48 : 88,857.48 = 35,709.42 : x
2. Step 2: Convert to fraction form
   64,386.48/88,857.48 = 35,709.42/x
3. Step 3: Cross multiply
   64,386.48x = 88,857.48 × 35,709.42
4. Step 4: Simplify right side
   64,386.48x = 3,173,049,073.46
5. Step 5: Solve for x
   x = 3,173,049,073.46/64,386.48
6. Step 6: Final answer
   x = 49,281.29