Finding the Fourth Proportional to 2,117.37, 2,920.41 and 1,233.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.37 : 2,920.41 = 1,233.12 : x
2. Step 2: Convert to fraction form
   2,117.37/2,920.41 = 1,233.12/x
3. Step 3: Cross multiply
   2,117.37x = 2,920.41 × 1,233.12
4. Step 4: Simplify right side
   2,117.37x = 3,601,215.98
5. Step 5: Solve for x
   x = 3,601,215.98/2,117.37
6. Step 6: Final answer
   x = 1,700.80