Finding the Fourth Proportional to 2,124.27, 2,931.49 and 1,180.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.27 : 2,931.49 = 1,180.15 : x
2. Step 2: Convert to fraction form
   2,124.27/2,931.49 = 1,180.15/x
3. Step 3: Cross multiply
   2,124.27x = 2,931.49 × 1,180.15
4. Step 4: Simplify right side
   2,124.27x = 3,459,597.74
5. Step 5: Solve for x
   x = 3,459,597.74/2,124.27
6. Step 6: Final answer
   x = 1,628.60