Finding the Fourth Proportional to 7,290.72, 10,060.56 and 4,147.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.72 : 10,060.56 = 4,147.08 : x
2. Step 2: Convert to fraction form
   7,290.72/10,060.56 = 4,147.08/x
3. Step 3: Cross multiply
   7,290.72x = 10,060.56 × 4,147.08
4. Step 4: Simplify right side
   7,290.72x = 41,721,947.16
5. Step 5: Solve for x
   x = 41,721,947.16/7,290.72
6. Step 6: Final answer
   x = 5,722.61