Finding the Fourth Proportional to 937.89, 1,406.69 and 590.15

Step by Step Solution

1. Step 1: Write the proportion equation
   937.89 : 1,406.69 = 590.15 : x
2. Step 2: Convert to fraction form
   937.89/1,406.69 = 590.15/x
3. Step 3: Cross multiply
   937.89x = 1,406.69 × 590.15
4. Step 4: Simplify right side
   937.89x = 830,158.10
5. Step 5: Solve for x
   x = 830,158.10/937.89
6. Step 6: Final answer
   x = 885.13