Finding the Fourth Proportional to 2,940.32, 4,411.19 and 1,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.32 : 4,411.19 = 1,091.50 : x
2. Step 2: Convert to fraction form
   2,940.32/4,411.19 = 1,091.50/x
3. Step 3: Cross multiply
   2,940.32x = 4,411.19 × 1,091.50
4. Step 4: Simplify right side
   2,940.32x = 4,814,805.59
5. Step 5: Solve for x
   x = 4,814,805.59/2,940.32
6. Step 6: Final answer
   x = 1,637.51