Finding the Fourth Proportional to 1,584.76, 2,377.69 and 707.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584.76 : 2,377.69 = 707.88 : x
2. Step 2: Convert to fraction form
   1,584.76/2,377.69 = 707.88/x
3. Step 3: Cross multiply
   1,584.76x = 2,377.69 × 707.88
4. Step 4: Simplify right side
   1,584.76x = 1,683,103.77
5. Step 5: Solve for x
   x = 1,683,103.77/1,584.76
6. Step 6: Final answer
   x = 1,062.06