Finding the Fourth Proportional to 3,730.33, 5,148.03 and 2,158.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.33 : 5,148.03 = 2,158.12 : x
2. Step 2: Convert to fraction form
   3,730.33/5,148.03 = 2,158.12/x
3. Step 3: Cross multiply
   3,730.33x = 5,148.03 × 2,158.12
4. Step 4: Simplify right side
   3,730.33x = 11,110,066.50
5. Step 5: Solve for x
   x = 11,110,066.50/3,730.33
6. Step 6: Final answer
   x = 2,978.31