Finding the Fourth Proportional to 3,730.83, 5,148.72 and 2,158.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.83 : 5,148.72 = 2,158.62 : x
2. Step 2: Convert to fraction form
   3,730.83/5,148.72 = 2,158.62/x
3. Step 3: Cross multiply
   3,730.83x = 5,148.72 × 2,158.62
4. Step 4: Simplify right side
   3,730.83x = 11,114,129.97
5. Step 5: Solve for x
   x = 11,114,129.97/3,730.83
6. Step 6: Final answer
   x = 2,979.00