Finding the Fourth Proportional to 124,131.06, 171,274.73 and 81,173.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,131.06 : 171,274.73 = 81,173.52 : x
2. Step 2: Convert to fraction form
   124,131.06/171,274.73 = 81,173.52/x
3. Step 3: Cross multiply
   124,131.06x = 171,274.73 × 81,173.52
4. Step 4: Simplify right side
   124,131.06x = 13,902,972,721.15
5. Step 5: Solve for x
   x = 13,902,972,721.15/124,131.06
6. Step 6: Final answer
   x = 112,002.37