Finding the Fourth Proportional to 1,432.89, 1,976.77 and 902.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.89 : 1,976.77 = 902.00 : x
2. Step 2: Convert to fraction form
   1,432.89/1,976.77 = 902.00/x
3. Step 3: Cross multiply
   1,432.89x = 1,976.77 × 902.00
4. Step 4: Simplify right side
   1,432.89x = 1,783,052.61
5. Step 5: Solve for x
   x = 1,783,052.61/1,432.89
6. Step 6: Final answer
   x = 1,244.38