Finding the Fourth Proportional to 10,196.21, 15,292.59 and 2,798.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.21 : 15,292.59 = 2,798.95 : x
2. Step 2: Convert to fraction form
   10,196.21/15,292.59 = 2,798.95/x
3. Step 3: Cross multiply
   10,196.21x = 15,292.59 × 2,798.95
4. Step 4: Simplify right side
   10,196.21x = 42,803,194.78
5. Step 5: Solve for x
   x = 42,803,194.78/10,196.21
6. Step 6: Final answer
   x = 4,197.95