Finding the Fourth Proportional to 1,655.59, 2,284.69 and 909.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.59 : 2,284.69 = 909.53 : x
2. Step 2: Convert to fraction form
   1,655.59/2,284.69 = 909.53/x
3. Step 3: Cross multiply
   1,655.59x = 2,284.69 × 909.53
4. Step 4: Simplify right side
   1,655.59x = 2,077,994.10
5. Step 5: Solve for x
   x = 2,077,994.10/1,655.59
6. Step 6: Final answer
   x = 1,255.14