Finding the Fourth Proportional to 8,887.74, 12,264.63 and 5,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,887.74 : 12,264.63 = 5,111.10 : x
2. Step 2: Convert to fraction form
   8,887.74/12,264.63 = 5,111.10/x
3. Step 3: Cross multiply
   8,887.74x = 12,264.63 × 5,111.10
4. Step 4: Simplify right side
   8,887.74x = 62,685,750.39
5. Step 5: Solve for x
   x = 62,685,750.39/8,887.74
6. Step 6: Final answer
   x = 7,053.06