Finding the Fourth Proportional to 162,810.24, 244,018.50 and 83,881.40

Step by Step Solution

1. Step 1: Write the proportion equation
   162,810.24 : 244,018.50 = 83,881.40 : x
2. Step 2: Convert to fraction form
   162,810.24/244,018.50 = 83,881.40/x
3. Step 3: Cross multiply
   162,810.24x = 244,018.50 × 83,881.40
4. Step 4: Simplify right side
   162,810.24x = 20,468,613,405.90
5. Step 5: Solve for x
   x = 20,468,613,405.90/162,810.24
6. Step 6: Final answer
   x = 125,720.68