Finding the Fourth Proportional to 10,192.50, 15,288.72 and 2,796.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,192.50 : 15,288.72 = 2,796.99 : x
2. Step 2: Convert to fraction form
   10,192.50/15,288.72 = 2,796.99/x
3. Step 3: Cross multiply
   10,192.50x = 15,288.72 × 2,796.99
4. Step 4: Simplify right side
   10,192.50x = 42,762,396.95
5. Step 5: Solve for x
   x = 42,762,396.95/10,192.50
6. Step 6: Final answer
   x = 4,195.48