Finding the Fourth Proportional to 105,612.68, 158,417.28 and 25,651.30

Step by Step Solution

1. Step 1: Write the proportion equation
   105,612.68 : 158,417.28 = 25,651.30 : x
2. Step 2: Convert to fraction form
   105,612.68/158,417.28 = 25,651.30/x
3. Step 3: Cross multiply
   105,612.68x = 158,417.28 × 25,651.30
4. Step 4: Simplify right side
   105,612.68x = 4,063,609,003.31
5. Step 5: Solve for x
   x = 4,063,609,003.31/105,612.68
6. Step 6: Final answer
   x = 38,476.53