Finding the Fourth Proportional to 7,445.74, 10,275.39 and 4,088.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,445.74 : 10,275.39 = 4,088.62 : x
2. Step 2: Convert to fraction form
   7,445.74/10,275.39 = 4,088.62/x
3. Step 3: Cross multiply
   7,445.74x = 10,275.39 × 4,088.62
4. Step 4: Simplify right side
   7,445.74x = 42,012,165.06
5. Step 5: Solve for x
   x = 42,012,165.06/7,445.74
6. Step 6: Final answer
   x = 5,642.44