Finding the Fourth Proportional to 1,761.41, 2,641.84 and 787.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.41 : 2,641.84 = 787.34 : x
2. Step 2: Convert to fraction form
   1,761.41/2,641.84 = 787.34/x
3. Step 3: Cross multiply
   1,761.41x = 2,641.84 × 787.34
4. Step 4: Simplify right side
   1,761.41x = 2,080,026.31
5. Step 5: Solve for x
   x = 2,080,026.31/1,761.41
6. Step 6: Final answer
   x = 1,180.89