Finding the Fourth Proportional to 7,419.89, 10,238.15 and 4,275.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,419.89 : 10,238.15 = 4,275.47 : x
2. Step 2: Convert to fraction form
   7,419.89/10,238.15 = 4,275.47/x
3. Step 3: Cross multiply
   7,419.89x = 10,238.15 × 4,275.47
4. Step 4: Simplify right side
   7,419.89x = 43,772,939.46
5. Step 5: Solve for x
   x = 43,772,939.46/7,419.89
6. Step 6: Final answer
   x = 5,899.40