Finding the Fourth Proportional to 1,580.07, 2,367.27 and 930.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.07 : 2,367.27 = 930.45 : x
2. Step 2: Convert to fraction form
   1,580.07/2,367.27 = 930.45/x
3. Step 3: Cross multiply
   1,580.07x = 2,367.27 × 930.45
4. Step 4: Simplify right side
   1,580.07x = 2,202,621.72
5. Step 5: Solve for x
   x = 2,202,621.72/1,580.07
6. Step 6: Final answer
   x = 1,394.00