Finding the Fourth Proportional to 11,111.27, 15,333.89 and 6,862.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.27 : 15,333.89 = 6,862.19 : x
2. Step 2: Convert to fraction form
   11,111.27/15,333.89 = 6,862.19/x
3. Step 3: Cross multiply
   11,111.27x = 15,333.89 × 6,862.19
4. Step 4: Simplify right side
   11,111.27x = 105,223,955.64
5. Step 5: Solve for x
   x = 105,223,955.64/11,111.27
6. Step 6: Final answer
   x = 9,470.02