Finding the Fourth Proportional to 1,491.72, 2,060.76 and 1,179.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.72 : 2,060.76 = 1,179.06 : x
2. Step 2: Convert to fraction form
   1,491.72/2,060.76 = 1,179.06/x
3. Step 3: Cross multiply
   1,491.72x = 2,060.76 × 1,179.06
4. Step 4: Simplify right side
   1,491.72x = 2,429,759.69
5. Step 5: Solve for x
   x = 2,429,759.69/1,491.72
6. Step 6: Final answer
   x = 1,628.83