Finding the Fourth Proportional to 10,290.18, 15,435.20 and 2,498.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.18 : 15,435.20 = 2,498.94 : x
2. Step 2: Convert to fraction form
   10,290.18/15,435.20 = 2,498.94/x
3. Step 3: Cross multiply
   10,290.18x = 15,435.20 × 2,498.94
4. Step 4: Simplify right side
   10,290.18x = 38,571,638.69
5. Step 5: Solve for x
   x = 38,571,638.69/10,290.18
6. Step 6: Final answer
   x = 3,748.39