Finding the Fourth Proportional to 2,625.88, 3,937.98 and 1,238.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.88 : 3,937.98 = 1,238.38 : x
2. Step 2: Convert to fraction form
   2,625.88/3,937.98 = 1,238.38/x
3. Step 3: Cross multiply
   2,625.88x = 3,937.98 × 1,238.38
4. Step 4: Simplify right side
   2,625.88x = 4,876,715.67
5. Step 5: Solve for x
   x = 4,876,715.67/2,625.88
6. Step 6: Final answer
   x = 1,857.17