Finding the Fourth Proportional to 1,579.57, 2,366.52 and 929.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,579.57 : 2,366.52 = 929.95 : x
2. Step 2: Convert to fraction form
   1,579.57/2,366.52 = 929.95/x
3. Step 3: Cross multiply
   1,579.57x = 2,366.52 × 929.95
4. Step 4: Simplify right side
   1,579.57x = 2,200,742.95
5. Step 5: Solve for x
   x = 2,200,742.95/1,579.57
6. Step 6: Final answer
   x = 1,393.25