Finding the Fourth Proportional to 7,290.42, 10,060.92 and 4,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.42 : 10,060.92 = 4,146.72 : x
2. Step 2: Convert to fraction form
   7,290.42/10,060.92 = 4,146.72/x
3. Step 3: Cross multiply
   7,290.42x = 10,060.92 × 4,146.72
4. Step 4: Simplify right side
   7,290.42x = 41,719,818.18
5. Step 5: Solve for x
   x = 41,719,818.18/7,290.42
6. Step 6: Final answer
   x = 5,722.55