Finding the Fourth Proportional to 162,881.72, 243,989.98 and 83,829.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,881.72 : 243,989.98 = 83,829.88 : x
2. Step 2: Convert to fraction form
   162,881.72/243,989.98 = 83,829.88/x
3. Step 3: Cross multiply
   162,881.72x = 243,989.98 × 83,829.88
4. Step 4: Simplify right side
   162,881.72x = 20,453,649,467.57
5. Step 5: Solve for x
   x = 20,453,649,467.57/162,881.72
6. Step 6: Final answer
   x = 125,573.63