Finding the Fourth Proportional to 1,924.38, 2,655.72 and 1,178.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.38 : 2,655.72 = 1,178.10 : x
2. Step 2: Convert to fraction form
   1,924.38/2,655.72 = 1,178.10/x
3. Step 3: Cross multiply
   1,924.38x = 2,655.72 × 1,178.10
4. Step 4: Simplify right side
   1,924.38x = 3,128,703.73
5. Step 5: Solve for x
   x = 3,128,703.73/1,924.38
6. Step 6: Final answer
   x = 1,625.82