Finding the Fourth Proportional to 124,012.74, 171,136.72 and 67,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,012.74 : 171,136.72 = 67,424.10 : x
2. Step 2: Convert to fraction form
   124,012.74/171,136.72 = 67,424.10/x
3. Step 3: Cross multiply
   124,012.74x = 171,136.72 × 67,424.10
4. Step 4: Simplify right side
   124,012.74x = 11,538,739,322.95
5. Step 5: Solve for x
   x = 11,538,739,322.95/124,012.74
6. Step 6: Final answer
   x = 93,044.79