Finding the Fourth Proportional to 13,850.79, 20,763.86 and 5,083.65

Step by Step Solution

1. Step 1: Write the proportion equation
   13,850.79 : 20,763.86 = 5,083.65 : x
2. Step 2: Convert to fraction form
   13,850.79/20,763.86 = 5,083.65/x
3. Step 3: Cross multiply
   13,850.79x = 20,763.86 × 5,083.65
4. Step 4: Simplify right side
   13,850.79x = 105,556,196.89
5. Step 5: Solve for x
   x = 105,556,196.89/13,850.79
6. Step 6: Final answer
   x = 7,620.95