Finding the Fourth Proportional to 10,188.32, 15,282.50 and 2,792.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188.32 : 15,282.50 = 2,792.88 : x
2. Step 2: Convert to fraction form
   10,188.32/15,282.50 = 2,792.88/x
3. Step 3: Cross multiply
   10,188.32x = 15,282.50 × 2,792.88
4. Step 4: Simplify right side
   10,188.32x = 42,682,174.64
5. Step 5: Solve for x
   x = 42,682,174.64/10,188.32
6. Step 6: Final answer
   x = 4,189.33