Finding the Fourth Proportional to 10,188.16, 15,281.52 and 2,792.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,188.16 : 15,281.52 = 2,792.32 : x
2. Step 2: Convert to fraction form
   10,188.16/15,281.52 = 2,792.32/x
3. Step 3: Cross multiply
   10,188.16x = 15,281.52 × 2,792.32
4. Step 4: Simplify right side
   10,188.16x = 42,670,893.93
5. Step 5: Solve for x
   x = 42,670,893.93/10,188.16
6. Step 6: Final answer
   x = 4,188.28