Finding the Fourth Proportional to 7,275.12, 10,039.71 and 4,088.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,275.12 : 10,039.71 = 4,088.55 : x
2. Step 2: Convert to fraction form
   7,275.12/10,039.71 = 4,088.55/x
3. Step 3: Cross multiply
   7,275.12x = 10,039.71 × 4,088.55
4. Step 4: Simplify right side
   7,275.12x = 41,047,856.32
5. Step 5: Solve for x
   x = 41,047,856.32/7,275.12
6. Step 6: Final answer
   x = 5,642.22