Finding the Fourth Proportional to 8,888.96, 12,262.91 and 5,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,888.96 : 12,262.91 = 5,111.25 : x
2. Step 2: Convert to fraction form
   8,888.96/12,262.91 = 5,111.25/x
3. Step 3: Cross multiply
   8,888.96x = 12,262.91 × 5,111.25
4. Step 4: Simplify right side
   8,888.96x = 62,678,773.18
5. Step 5: Solve for x
   x = 62,678,773.18/8,888.96
6. Step 6: Final answer
   x = 7,051.31