Finding the Fourth Proportional to 6,225.80, 8,587.86 and 4,897.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,225.80 : 8,587.86 = 4,897.40 : x
2. Step 2: Convert to fraction form
   6,225.80/8,587.86 = 4,897.40/x
3. Step 3: Cross multiply
   6,225.80x = 8,587.86 × 4,897.40
4. Step 4: Simplify right side
   6,225.80x = 42,058,185.56
5. Step 5: Solve for x
   x = 42,058,185.56/6,225.80
6. Step 6: Final answer
   x = 6,755.47