Finding the Fourth Proportional to 2,327.80, 3,492.15 and 1,011.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.80 : 3,492.15 = 1,011.55 : x
2. Step 2: Convert to fraction form
   2,327.80/3,492.15 = 1,011.55/x
3. Step 3: Cross multiply
   2,327.80x = 3,492.15 × 1,011.55
4. Step 4: Simplify right side
   2,327.80x = 3,532,484.33
5. Step 5: Solve for x
   x = 3,532,484.33/2,327.80
6. Step 6: Final answer
   x = 1,517.52