Finding the Fourth Proportional to 9,819.31, 14,719.43 and 3,894.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.31 : 14,719.43 = 3,894.25 : x
2. Step 2: Convert to fraction form
   9,819.31/14,719.43 = 3,894.25/x
3. Step 3: Cross multiply
   9,819.31x = 14,719.43 × 3,894.25
4. Step 4: Simplify right side
   9,819.31x = 57,321,140.28
5. Step 5: Solve for x
   x = 57,321,140.28/9,819.31
6. Step 6: Final answer
   x = 5,837.60