Finding the Fourth Proportional to 2,111.42, 2,907.15 and 1,737.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.42 : 2,907.15 = 1,737.20 : x
2. Step 2: Convert to fraction form
   2,111.42/2,907.15 = 1,737.20/x
3. Step 3: Cross multiply
   2,111.42x = 2,907.15 × 1,737.20
4. Step 4: Simplify right side
   2,111.42x = 5,050,300.98
5. Step 5: Solve for x
   x = 5,050,300.98/2,111.42
6. Step 6: Final answer
   x = 2,391.90