Finding the Fourth Proportional to 2,332.56, 3,498.72 and 1,178.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,332.56 : 3,498.72 = 1,178.28 : x
2. Step 2: Convert to fraction form
   2,332.56/3,498.72 = 1,178.28/x
3. Step 3: Cross multiply
   2,332.56x = 3,498.72 × 1,178.28
4. Step 4: Simplify right side
   2,332.56x = 4,122,471.80
5. Step 5: Solve for x
   x = 4,122,471.80/2,332.56
6. Step 6: Final answer
   x = 1,767.36