Finding the Fourth Proportional to 8,888.34, 12,268.29 and 5,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,888.34 : 12,268.29 = 5,111.92 : x
2. Step 2: Convert to fraction form
   8,888.34/12,268.29 = 5,111.92/x
3. Step 3: Cross multiply
   8,888.34x = 12,268.29 × 5,111.92
4. Step 4: Simplify right side
   8,888.34x = 62,714,517.02
5. Step 5: Solve for x
   x = 62,714,517.02/8,888.34
6. Step 6: Final answer
   x = 7,055.82