Finding the Fourth Proportional to 1,924.56, 2,656.53 and 1,178.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.56 : 2,656.53 = 1,178.55 : x
2. Step 2: Convert to fraction form
   1,924.56/2,656.53 = 1,178.55/x
3. Step 3: Cross multiply
   1,924.56x = 2,656.53 × 1,178.55
4. Step 4: Simplify right side
   1,924.56x = 3,130,853.43
5. Step 5: Solve for x
   x = 3,130,853.43/1,924.56
6. Step 6: Final answer
   x = 1,626.79