Finding the Fourth Proportional to 1,943.30, 2,916.03 and 1,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.30 : 2,916.03 = 1,077.50 : x
2. Step 2: Convert to fraction form
   1,943.30/2,916.03 = 1,077.50/x
3. Step 3: Cross multiply
   1,943.30x = 2,916.03 × 1,077.50
4. Step 4: Simplify right side
   1,943.30x = 3,142,022.33
5. Step 5: Solve for x
   x = 3,142,022.33/1,943.30
6. Step 6: Final answer
   x = 1,616.85