Finding the Fourth Proportional to 3,684.24, 5,526.72 and 1,375.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,684.24 : 5,526.72 = 1,375.20 : x
2. Step 2: Convert to fraction form
   3,684.24/5,526.72 = 1,375.20/x
3. Step 3: Cross multiply
   3,684.24x = 5,526.72 × 1,375.20
4. Step 4: Simplify right side
   3,684.24x = 7,600,345.34
5. Step 5: Solve for x
   x = 7,600,345.34/3,684.24
6. Step 6: Final answer
   x = 2,062.93