Finding the Fourth Proportional to 108,571.76, 162,617.04 and 83,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,571.76 : 162,617.04 = 83,426.72 : x
2. Step 2: Convert to fraction form
   108,571.76/162,617.04 = 83,426.72/x
3. Step 3: Cross multiply
   108,571.76x = 162,617.04 × 83,426.72
4. Step 4: Simplify right side
   108,571.76x = 13,566,606,263.31
5. Step 5: Solve for x
   x = 13,566,606,263.31/108,571.76
6. Step 6: Final answer
   x = 124,955.20