Finding the Fourth Proportional to 7,290.64, 10,061.10 and 4,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.64 : 10,061.10 = 4,146.88 : x
2. Step 2: Convert to fraction form
   7,290.64/10,061.10 = 4,146.88/x
3. Step 3: Cross multiply
   7,290.64x = 10,061.10 × 4,146.88
4. Step 4: Simplify right side
   7,290.64x = 41,722,174.37
5. Step 5: Solve for x
   x = 41,722,174.37/7,290.64
6. Step 6: Final answer
   x = 5,722.70