Finding the Fourth Proportional to 124,926.48, 172,404.72 and 73,968.30

Step by Step Solution

1. Step 1: Write the proportion equation
   124,926.48 : 172,404.72 = 73,968.30 : x
2. Step 2: Convert to fraction form
   124,926.48/172,404.72 = 73,968.30/x
3. Step 3: Cross multiply
   124,926.48x = 172,404.72 × 73,968.30
4. Step 4: Simplify right side
   124,926.48x = 12,752,484,050.38
5. Step 5: Solve for x
   x = 12,752,484,050.38/124,926.48
6. Step 6: Final answer
   x = 102,079.91