Finding the Fourth Proportional to 7,290.60, 10,061.32 and 4,147.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,290.60 : 10,061.32 = 4,147.08 : x
2. Step 2: Convert to fraction form
   7,290.60/10,061.32 = 4,147.08/x
3. Step 3: Cross multiply
   7,290.60x = 10,061.32 × 4,147.08
4. Step 4: Simplify right side
   7,290.60x = 41,725,098.95
5. Step 5: Solve for x
   x = 41,725,098.95/7,290.60
6. Step 6: Final answer
   x = 5,723.14