Finding the Fourth Proportional to 64,433.25, 88,956.77 and 42,116.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,433.25 : 88,956.77 = 42,116.13 : x
2. Step 2: Convert to fraction form
   64,433.25/88,956.77 = 42,116.13/x
3. Step 3: Cross multiply
   64,433.25x = 88,956.77 × 42,116.13
4. Step 4: Simplify right side
   64,433.25x = 3,746,514,679.12
5. Step 5: Solve for x
   x = 3,746,514,679.12/64,433.25
6. Step 6: Final answer
   x = 58,145.67