Finding the Fourth Proportional to 8,877.72, 12,251.88 and 5,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,877.72 : 12,251.88 = 5,101.50 : x
2. Step 2: Convert to fraction form
   8,877.72/12,251.88 = 5,101.50/x
3. Step 3: Cross multiply
   8,877.72x = 12,251.88 × 5,101.50
4. Step 4: Simplify right side
   8,877.72x = 62,502,965.82
5. Step 5: Solve for x
   x = 62,502,965.82/8,877.72
6. Step 6: Final answer
   x = 7,040.43