Finding the Fourth Proportional to 8,897.88, 12,279.16 and 4,864.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,897.88 : 12,279.16 = 4,864.82 : x
2. Step 2: Convert to fraction form
   8,897.88/12,279.16 = 4,864.82/x
3. Step 3: Cross multiply
   8,897.88x = 12,279.16 × 4,864.82
4. Step 4: Simplify right side
   8,897.88x = 59,735,903.15
5. Step 5: Solve for x
   x = 59,735,903.15/8,897.88
6. Step 6: Final answer
   x = 6,713.50