Finding the Fourth Proportional to 1,934.60, 2,670.54 and 1,148.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.60 : 2,670.54 = 1,148.72 : x
2. Step 2: Convert to fraction form
   1,934.60/2,670.54 = 1,148.72/x
3. Step 3: Cross multiply
   1,934.60x = 2,670.54 × 1,148.72
4. Step 4: Simplify right side
   1,934.60x = 3,067,702.71
5. Step 5: Solve for x
   x = 3,067,702.71/1,934.60
6. Step 6: Final answer
   x = 1,585.70