Finding the Fourth Proportional to 124,796.79, 172,219.32 and 71,081.82

Step by Step Solution

1. Step 1: Write the proportion equation
   124,796.79 : 172,219.32 = 71,081.82 : x
2. Step 2: Convert to fraction form
   124,796.79/172,219.32 = 71,081.82/x
3. Step 3: Cross multiply
   124,796.79x = 172,219.32 × 71,081.82
4. Step 4: Simplify right side
   124,796.79x = 12,241,662,704.76
5. Step 5: Solve for x
   x = 12,241,662,704.76/124,796.79
6. Step 6: Final answer
   x = 98,092.77