Finding the Fourth Proportional to 1,150.19, 1,588.19 and 708.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.19 : 1,588.19 = 708.34 : x
2. Step 2: Convert to fraction form
   1,150.19/1,588.19 = 708.34/x
3. Step 3: Cross multiply
   1,150.19x = 1,588.19 × 708.34
4. Step 4: Simplify right side
   1,150.19x = 1,124,978.50
5. Step 5: Solve for x
   x = 1,124,978.50/1,150.19
6. Step 6: Final answer
   x = 978.08