Finding the Fourth Proportional to 1,818.32, 2,507.94 and 1,154.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.32 : 2,507.94 = 1,154.60 : x
2. Step 2: Convert to fraction form
   1,818.32/2,507.94 = 1,154.60/x
3. Step 3: Cross multiply
   1,818.32x = 2,507.94 × 1,154.60
4. Step 4: Simplify right side
   1,818.32x = 2,895,667.52
5. Step 5: Solve for x
   x = 2,895,667.52/1,818.32
6. Step 6: Final answer
   x = 1,592.50