Finding the Fourth Proportional to 2,137.89, 2,947.54 and 1,753.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.89 : 2,947.54 = 1,753.20 : x
2. Step 2: Convert to fraction form
   2,137.89/2,947.54 = 1,753.20/x
3. Step 3: Cross multiply
   2,137.89x = 2,947.54 × 1,753.20
4. Step 4: Simplify right side
   2,137.89x = 5,167,603.62
5. Step 5: Solve for x
   x = 5,167,603.62/2,137.89
6. Step 6: Final answer
   x = 2,417.16