Finding the Fourth Proportional to 6,931.07, 10,398.06 and 2,250.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,931.07 : 10,398.06 = 2,250.72 : x
2. Step 2: Convert to fraction form
   6,931.07/10,398.06 = 2,250.72/x
3. Step 3: Cross multiply
   6,931.07x = 10,398.06 × 2,250.72
4. Step 4: Simplify right side
   6,931.07x = 23,403,069.61
5. Step 5: Solve for x
   x = 23,403,069.61/6,931.07
6. Step 6: Final answer
   x = 3,376.55