Finding the Fourth Proportional to 105,150.17, 157,724.37 and 26,263.86

Step by Step Solution

1. Step 1: Write the proportion equation
   105,150.17 : 157,724.37 = 26,263.86 : x
2. Step 2: Convert to fraction form
   105,150.17/157,724.37 = 26,263.86/x
3. Step 3: Cross multiply
   105,150.17x = 157,724.37 × 26,263.86
4. Step 4: Simplify right side
   105,150.17x = 4,142,450,772.27
5. Step 5: Solve for x
   x = 4,142,450,772.27/105,150.17
6. Step 6: Final answer
   x = 39,395.57