Finding the Fourth Proportional to 10,111.82, 15,167.79 and 3,538.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.82 : 15,167.79 = 3,538.04 : x
2. Step 2: Convert to fraction form
   10,111.82/15,167.79 = 3,538.04/x
3. Step 3: Cross multiply
   10,111.82x = 15,167.79 × 3,538.04
4. Step 4: Simplify right side
   10,111.82x = 53,664,171.89
5. Step 5: Solve for x
   x = 53,664,171.89/10,111.82
6. Step 6: Final answer
   x = 5,307.08