Finding the Fourth Proportional to 7,253.12, 10,008.72 and 4,109.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,253.12 : 10,008.72 = 4,109.60 : x
2. Step 2: Convert to fraction form
   7,253.12/10,008.72 = 4,109.60/x
3. Step 3: Cross multiply
   7,253.12x = 10,008.72 × 4,109.60
4. Step 4: Simplify right side
   7,253.12x = 41,131,835.71
5. Step 5: Solve for x
   x = 41,131,835.71/7,253.12
6. Step 6: Final answer
   x = 5,670.92