Finding the Fourth Proportional to 10,436.94, 15,618.15 and 9,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.94 : 15,618.15 = 9,066.42 : x
2. Step 2: Convert to fraction form
   10,436.94/15,618.15 = 9,066.42/x
3. Step 3: Cross multiply
   10,436.94x = 15,618.15 × 9,066.42
4. Step 4: Simplify right side
   10,436.94x = 141,600,707.52
5. Step 5: Solve for x
   x = 141,600,707.52/10,436.94
6. Step 6: Final answer
   x = 13,567.26