Finding the Fourth Proportional to 2,635.19, 3,953.52 and 1,154.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.19 : 3,953.52 = 1,154.55 : x
2. Step 2: Convert to fraction form
   2,635.19/3,953.52 = 1,154.55/x
3. Step 3: Cross multiply
   2,635.19x = 3,953.52 × 1,154.55
4. Step 4: Simplify right side
   2,635.19x = 4,564,536.52
5. Step 5: Solve for x
   x = 4,564,536.52/2,635.19
6. Step 6: Final answer
   x = 1,732.15