Finding the Fourth Proportional to 2,930.91, 4,398.48 and 1,152.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,930.91 : 4,398.48 = 1,152.23 : x
2. Step 2: Convert to fraction form
   2,930.91/4,398.48 = 1,152.23/x
3. Step 3: Cross multiply
   2,930.91x = 4,398.48 × 1,152.23
4. Step 4: Simplify right side
   2,930.91x = 5,068,071.61
5. Step 5: Solve for x
   x = 5,068,071.61/2,930.91
6. Step 6: Final answer
   x = 1,729.18