Finding the Fourth Proportional to 7,434.59, 10,259.72 and 4,290.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,434.59 : 10,259.72 = 4,290.77 : x
2. Step 2: Convert to fraction form
   7,434.59/10,259.72 = 4,290.77/x
3. Step 3: Cross multiply
   7,434.59x = 10,259.72 × 4,290.77
4. Step 4: Simplify right side
   7,434.59x = 44,022,102.98
5. Step 5: Solve for x
   x = 44,022,102.98/7,434.59
6. Step 6: Final answer
   x = 5,921.26