Finding the Fourth Proportional to 1,584.38, 2,377.38 and 707.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584.38 : 2,377.38 = 707.15 : x
2. Step 2: Convert to fraction form
   1,584.38/2,377.38 = 707.15/x
3. Step 3: Cross multiply
   1,584.38x = 2,377.38 × 707.15
4. Step 4: Simplify right side
   1,584.38x = 1,681,152.38
5. Step 5: Solve for x
   x = 1,681,152.38/1,584.38
6. Step 6: Final answer
   x = 1,061.08