Finding the Fourth Proportional to 3,681.06, 5,522.10 and 1,340.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.06 : 5,522.10 = 1,340.72 : x
2. Step 2: Convert to fraction form
   3,681.06/5,522.10 = 1,340.72/x
3. Step 3: Cross multiply
   3,681.06x = 5,522.10 × 1,340.72
4. Step 4: Simplify right side
   3,681.06x = 7,403,577.98
5. Step 5: Solve for x
   x = 7,403,577.98/3,681.06
6. Step 6: Final answer
   x = 2,011.26