Finding the Fourth Proportional to 1,924.83, 2,656.24 and 1,138.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.83 : 2,656.24 = 1,138.86 : x
2. Step 2: Convert to fraction form
   1,924.83/2,656.24 = 1,138.86/x
3. Step 3: Cross multiply
   1,924.83x = 2,656.24 × 1,138.86
4. Step 4: Simplify right side
   1,924.83x = 3,025,085.49
5. Step 5: Solve for x
   x = 3,025,085.49/1,924.83
6. Step 6: Final answer
   x = 1,571.61