Finding the Fourth Proportional to 1,337.37, 2,003.32 and 787.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.37 : 2,003.32 = 787.89 : x
2. Step 2: Convert to fraction form
   1,337.37/2,003.32 = 787.89/x
3. Step 3: Cross multiply
   1,337.37x = 2,003.32 × 787.89
4. Step 4: Simplify right side
   1,337.37x = 1,578,395.79
5. Step 5: Solve for x
   x = 1,578,395.79/1,337.37
6. Step 6: Final answer
   x = 1,180.22