Finding the Fourth Proportional to 11,111.42, 15,327.98 and 8,083.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.42 : 15,327.98 = 8,083.13 : x
2. Step 2: Convert to fraction form
   11,111.42/15,327.98 = 8,083.13/x
3. Step 3: Cross multiply
   11,111.42x = 15,327.98 × 8,083.13
4. Step 4: Simplify right side
   11,111.42x = 123,897,937.92
5. Step 5: Solve for x
   x = 123,897,937.92/11,111.42
6. Step 6: Final answer
   x = 11,150.51