Finding the Fourth Proportional to 10,538.89, 15,806.19 and 3,873.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,538.89 : 15,806.19 = 3,873.10 : x
2. Step 2: Convert to fraction form
   10,538.89/15,806.19 = 3,873.10/x
3. Step 3: Cross multiply
   10,538.89x = 15,806.19 × 3,873.10
4. Step 4: Simplify right side
   10,538.89x = 61,218,937.35
5. Step 5: Solve for x
   x = 61,218,937.35/10,538.89
6. Step 6: Final answer
   x = 5,808.86