Finding the Fourth Proportional to 2,124.43, 2,931.58 and 1,180.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.43 : 2,931.58 = 1,180.15 : x
2. Step 2: Convert to fraction form
   2,124.43/2,931.58 = 1,180.15/x
3. Step 3: Cross multiply
   2,124.43x = 2,931.58 × 1,180.15
4. Step 4: Simplify right side
   2,124.43x = 3,459,693.86
5. Step 5: Solve for x
   x = 3,459,693.86/2,124.43
6. Step 6: Final answer
   x = 1,628.53