Finding the Fourth Proportional to 105,598.62, 158,396.49 and 25,637.21

Step by Step Solution

1. Step 1: Write the proportion equation
   105,598.62 : 158,396.49 = 25,637.21 : x
2. Step 2: Convert to fraction form
   105,598.62/158,396.49 = 25,637.21/x
3. Step 3: Cross multiply
   105,598.62x = 158,396.49 × 25,637.21
4. Step 4: Simplify right side
   105,598.62x = 4,060,844,077.39
5. Step 5: Solve for x
   x = 4,060,844,077.39/105,598.62
6. Step 6: Final answer
   x = 38,455.47