Finding the Fourth Proportional to 7,854.15, 10,840.61 and 4,498.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.15 : 10,840.61 = 4,498.91 : x
2. Step 2: Convert to fraction form
   7,854.15/10,840.61 = 4,498.91/x
3. Step 3: Cross multiply
   7,854.15x = 10,840.61 × 4,498.91
4. Step 4: Simplify right side
   7,854.15x = 48,770,852.04
5. Step 5: Solve for x
   x = 48,770,852.04/7,854.15
6. Step 6: Final answer
   x = 6,209.56