Finding the Fourth Proportional to 5,855.61, 8,078.47 and 3,730.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,855.61 : 8,078.47 = 3,730.76 : x
2. Step 2: Convert to fraction form
   5,855.61/8,078.47 = 3,730.76/x
3. Step 3: Cross multiply
   5,855.61x = 8,078.47 × 3,730.76
4. Step 4: Simplify right side
   5,855.61x = 30,138,832.74
5. Step 5: Solve for x
   x = 30,138,832.74/5,855.61
6. Step 6: Final answer
   x = 5,147.00