Finding the Fourth Proportional to 10,196.16, 15,292.50 and 2,798.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.16 : 15,292.50 = 2,798.88 : x
2. Step 2: Convert to fraction form
   10,196.16/15,292.50 = 2,798.88/x
3. Step 3: Cross multiply
   10,196.16x = 15,292.50 × 2,798.88
4. Step 4: Simplify right side
   10,196.16x = 42,801,872.40
5. Step 5: Solve for x
   x = 42,801,872.40/10,196.16
6. Step 6: Final answer
   x = 4,197.84