Finding the Fourth Proportional to 7,083.78, 10,624.86 and 1,890.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,083.78 : 10,624.86 = 1,890.06 : x
2. Step 2: Convert to fraction form
   7,083.78/10,624.86 = 1,890.06/x
3. Step 3: Cross multiply
   7,083.78x = 10,624.86 × 1,890.06
4. Step 4: Simplify right side
   7,083.78x = 20,081,622.89
5. Step 5: Solve for x
   x = 20,081,622.89/7,083.78
6. Step 6: Final answer
   x = 2,834.87