Finding the Fourth Proportional to 13,050.61, 19,574.86 and 3,690.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.61 : 19,574.86 = 3,690.25 : x
2. Step 2: Convert to fraction form
   13,050.61/19,574.86 = 3,690.25/x
3. Step 3: Cross multiply
   13,050.61x = 19,574.86 × 3,690.25
4. Step 4: Simplify right side
   13,050.61x = 72,236,127.12
5. Step 5: Solve for x
   x = 72,236,127.12/13,050.61
6. Step 6: Final answer
   x = 5,535.08