Finding the Fourth Proportional to 5,573.89, 7,690.70 and 3,781.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,573.89 : 7,690.70 = 3,781.61 : x
2. Step 2: Convert to fraction form
   5,573.89/7,690.70 = 3,781.61/x
3. Step 3: Cross multiply
   5,573.89x = 7,690.70 × 3,781.61
4. Step 4: Simplify right side
   5,573.89x = 29,083,228.03
5. Step 5: Solve for x
   x = 29,083,228.03/5,573.89
6. Step 6: Final answer
   x = 5,217.77