Finding the Fourth Proportional to 2,119.71, 2,925.18 and 1,175.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.71 : 2,925.18 = 1,175.55 : x
2. Step 2: Convert to fraction form
   2,119.71/2,925.18 = 1,175.55/x
3. Step 3: Cross multiply
   2,119.71x = 2,925.18 × 1,175.55
4. Step 4: Simplify right side
   2,119.71x = 3,438,695.35
5. Step 5: Solve for x
   x = 3,438,695.35/2,119.71
6. Step 6: Final answer
   x = 1,622.25