Finding the Fourth Proportional to 1,655.42, 2,284.50 and 909.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.42 : 2,284.50 = 909.41 : x
2. Step 2: Convert to fraction form
   1,655.42/2,284.50 = 909.41/x
3. Step 3: Cross multiply
   1,655.42x = 2,284.50 × 909.41
4. Step 4: Simplify right side
   1,655.42x = 2,077,535.72
5. Step 5: Solve for x
   x = 2,077,535.72/1,655.42
6. Step 6: Final answer
   x = 1,254.99