Finding the Fourth Proportional to 1,532.39, 2,114.48 and 902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.39 : 2,114.48 = 902.82 : x
2. Step 2: Convert to fraction form
   1,532.39/2,114.48 = 902.82/x
3. Step 3: Cross multiply
   1,532.39x = 2,114.48 × 902.82
4. Step 4: Simplify right side
   1,532.39x = 1,908,994.83
5. Step 5: Solve for x
   x = 1,908,994.83/1,532.39
6. Step 6: Final answer
   x = 1,245.76