Finding the Fourth Proportional to 2,095.61, 3,138.48 and 1,230.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.61 : 3,138.48 = 1,230.53 : x
2. Step 2: Convert to fraction form
   2,095.61/3,138.48 = 1,230.53/x
3. Step 3: Cross multiply
   2,095.61x = 3,138.48 × 1,230.53
4. Step 4: Simplify right side
   2,095.61x = 3,861,978.10
5. Step 5: Solve for x
   x = 3,861,978.10/2,095.61
6. Step 6: Final answer
   x = 1,842.89