Finding the Fourth Proportional to 1,602.27, 2,404.14 and 870.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.27 : 2,404.14 = 870.96 : x
2. Step 2: Convert to fraction form
   1,602.27/2,404.14 = 870.96/x
3. Step 3: Cross multiply
   1,602.27x = 2,404.14 × 870.96
4. Step 4: Simplify right side
   1,602.27x = 2,093,909.77
5. Step 5: Solve for x
   x = 2,093,909.77/1,602.27
6. Step 6: Final answer
   x = 1,306.84