Finding the Fourth Proportional to 7,261.42, 10,019.72 and 4,117

Step by Step Solution

1. Step 1: Write the proportion equation
   7,261.42 : 10,019.72 = 4,117 : x
2. Step 2: Convert to fraction form
   7,261.42/10,019.72 = 4,117/x
3. Step 3: Cross multiply
   7,261.42x = 10,019.72 × 4,117
4. Step 4: Simplify right side
   7,261.42x = 41,251,187.24
5. Step 5: Solve for x
   x = 41,251,187.24/7,261.42
6. Step 6: Final answer
   x = 5,680.87