Finding the Fourth Proportional to 13,082.04, 19,619.40 and 3,721.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.04 : 19,619.40 = 3,721.32 : x
2. Step 2: Convert to fraction form
   13,082.04/19,619.40 = 3,721.32/x
3. Step 3: Cross multiply
   13,082.04x = 19,619.40 × 3,721.32
4. Step 4: Simplify right side
   13,082.04x = 73,010,065.61
5. Step 5: Solve for x
   x = 73,010,065.61/13,082.04
6. Step 6: Final answer
   x = 5,580.94