Finding the Fourth Proportional to 3,780.52, 5,645.30 and 3,088.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.52 : 5,645.30 = 3,088.55 : x
2. Step 2: Convert to fraction form
   3,780.52/5,645.30 = 3,088.55/x
3. Step 3: Cross multiply
   3,780.52x = 5,645.30 × 3,088.55
4. Step 4: Simplify right side
   3,780.52x = 17,435,789.99
5. Step 5: Solve for x
   x = 17,435,789.99/3,780.52
6. Step 6: Final answer
   x = 4,612.01