Finding the Fourth Proportional to 7,445.59, 10,274.18 and 4,259.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,445.59 : 10,274.18 = 4,259.72 : x
2. Step 2: Convert to fraction form
   7,445.59/10,274.18 = 4,259.72/x
3. Step 3: Cross multiply
   7,445.59x = 10,274.18 × 4,259.72
4. Step 4: Simplify right side
   7,445.59x = 43,765,134.42
5. Step 5: Solve for x
   x = 43,765,134.42/7,445.59
6. Step 6: Final answer
   x = 5,878.00