Finding the Fourth Proportional to 1,924.80, 2,656.17 and 1,178.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.80 : 2,656.17 = 1,178.82 : x
2. Step 2: Convert to fraction form
   1,924.80/2,656.17 = 1,178.82/x
3. Step 3: Cross multiply
   1,924.80x = 2,656.17 × 1,178.82
4. Step 4: Simplify right side
   1,924.80x = 3,131,146.32
5. Step 5: Solve for x
   x = 3,131,146.32/1,924.80
6. Step 6: Final answer
   x = 1,626.74