Finding the Fourth Proportional to 124,482.42, 171,730.17 and 76,718.34

Step by Step Solution

1. Step 1: Write the proportion equation
   124,482.42 : 171,730.17 = 76,718.34 : x
2. Step 2: Convert to fraction form
   124,482.42/171,730.17 = 76,718.34/x
3. Step 3: Cross multiply
   124,482.42x = 171,730.17 × 76,718.34
4. Step 4: Simplify right side
   124,482.42x = 13,174,853,570.32
5. Step 5: Solve for x
   x = 13,174,853,570.32/124,482.42
6. Step 6: Final answer
   x = 105,837.06