Finding the Fourth Proportional to 2,124.02, 2,931.02 and 1,179.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.02 : 2,931.02 = 1,179.76 : x
2. Step 2: Convert to fraction form
   2,124.02/2,931.02 = 1,179.76/x
3. Step 3: Cross multiply
   2,124.02x = 2,931.02 × 1,179.76
4. Step 4: Simplify right side
   2,124.02x = 3,457,900.16
5. Step 5: Solve for x
   x = 3,457,900.16/2,124.02
6. Step 6: Final answer
   x = 1,628.00