Finding the Fourth Proportional to 5,340.08, 8,003.56 and 3,780.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,340.08 : 8,003.56 = 3,780.52 : x
2. Step 2: Convert to fraction form
   5,340.08/8,003.56 = 3,780.52/x
3. Step 3: Cross multiply
   5,340.08x = 8,003.56 × 3,780.52
4. Step 4: Simplify right side
   5,340.08x = 30,257,641.30
5. Step 5: Solve for x
   x = 30,257,641.30/5,340.08
6. Step 6: Final answer
   x = 5,666.14