Finding the Fourth Proportional to 124,300.84, 171,529.62 and 72,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,300.84 : 171,529.62 = 72,622.72 : x
2. Step 2: Convert to fraction form
   124,300.84/171,529.62 = 72,622.72/x
3. Step 3: Cross multiply
   124,300.84x = 171,529.62 × 72,622.72
4. Step 4: Simplify right side
   124,300.84x = 12,456,947,564.97
5. Step 5: Solve for x
   x = 12,456,947,564.97/124,300.84
6. Step 6: Final answer
   x = 100,216.12