Finding the Fourth Proportional to 105,018.30, 157,527.12 and 26,132.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,018.30 : 157,527.12 = 26,132.55 : x
2. Step 2: Convert to fraction form
   105,018.30/157,527.12 = 26,132.55/x
3. Step 3: Cross multiply
   105,018.30x = 157,527.12 × 26,132.55
4. Step 4: Simplify right side
   105,018.30x = 4,116,585,339.76
5. Step 5: Solve for x
   x = 4,116,585,339.76/105,018.30
6. Step 6: Final answer
   x = 39,198.74