Finding the Fourth Proportional to 6,899.56, 10,345.98 and 2,281

Step by Step Solution

1. Step 1: Write the proportion equation
   6,899.56 : 10,345.98 = 2,281 : x
2. Step 2: Convert to fraction form
   6,899.56/10,345.98 = 2,281/x
3. Step 3: Cross multiply
   6,899.56x = 10,345.98 × 2,281
4. Step 4: Simplify right side
   6,899.56x = 23,599,180.38
5. Step 5: Solve for x
   x = 23,599,180.38/6,899.56
6. Step 6: Final answer
   x = 3,420.39