Finding the Fourth Proportional to 13,045.61, 19,567.37 and 3,685.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,045.61 : 19,567.37 = 3,685.25 : x
2. Step 2: Convert to fraction form
   13,045.61/19,567.37 = 3,685.25/x
3. Step 3: Cross multiply
   13,045.61x = 19,567.37 × 3,685.25
4. Step 4: Simplify right side
   13,045.61x = 72,110,534.03
5. Step 5: Solve for x
   x = 72,110,534.03/13,045.61
6. Step 6: Final answer
   x = 5,527.57