Finding the Fourth Proportional to 6,873.98, 10,308.89 and 2,925.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,873.98 : 10,308.89 = 2,925.20 : x
2. Step 2: Convert to fraction form
   6,873.98/10,308.89 = 2,925.20/x
3. Step 3: Cross multiply
   6,873.98x = 10,308.89 × 2,925.20
4. Step 4: Simplify right side
   6,873.98x = 30,155,498.86
5. Step 5: Solve for x
   x = 30,155,498.86/6,873.98
6. Step 6: Final answer
   x = 4,386.91