Finding the Fourth Proportional to 124,428.17, 171,703.46 and 70,705.73

Step by Step Solution

1. Step 1: Write the proportion equation
   124,428.17 : 171,703.46 = 70,705.73 : x
2. Step 2: Convert to fraction form
   124,428.17/171,703.46 = 70,705.73/x
3. Step 3: Cross multiply
   124,428.17x = 171,703.46 × 70,705.73
4. Step 4: Simplify right side
   124,428.17x = 12,140,418,482.83
5. Step 5: Solve for x
   x = 12,140,418,482.83/124,428.17
6. Step 6: Final answer
   x = 97,569.69