Finding the Fourth Proportional to 2,083.22, 3,124.50 and 784.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.22 : 3,124.50 = 784.38 : x
2. Step 2: Convert to fraction form
   2,083.22/3,124.50 = 784.38/x
3. Step 3: Cross multiply
   2,083.22x = 3,124.50 × 784.38
4. Step 4: Simplify right side
   2,083.22x = 2,450,795.31
5. Step 5: Solve for x
   x = 2,450,795.31/2,083.22
6. Step 6: Final answer
   x = 1,176.45