Finding the Fourth Proportional to 10,265.31, 15,398.37 and 2,870.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.31 : 15,398.37 = 2,870.46 : x
2. Step 2: Convert to fraction form
   10,265.31/15,398.37 = 2,870.46/x
3. Step 3: Cross multiply
   10,265.31x = 15,398.37 × 2,870.46
4. Step 4: Simplify right side
   10,265.31x = 44,200,405.15
5. Step 5: Solve for x
   x = 44,200,405.15/10,265.31
6. Step 6: Final answer
   x = 4,305.80