Finding the Fourth Proportional to 124,476.15, 171,792.54 and 76,068.12

Step by Step Solution

1. Step 1: Write the proportion equation
   124,476.15 : 171,792.54 = 76,068.12 : x
2. Step 2: Convert to fraction form
   124,476.15/171,792.54 = 76,068.12/x
3. Step 3: Cross multiply
   124,476.15x = 171,792.54 × 76,068.12
4. Step 4: Simplify right side
   124,476.15x = 13,067,935,547.82
5. Step 5: Solve for x
   x = 13,067,935,547.82/124,476.15
6. Step 6: Final answer
   x = 104,983.45