Finding the Fourth Proportional to 10,570.49, 15,837.42 and 5,565.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.49 : 15,837.42 = 5,565.45 : x
2. Step 2: Convert to fraction form
   10,570.49/15,837.42 = 5,565.45/x
3. Step 3: Cross multiply
   10,570.49x = 15,837.42 × 5,565.45
4. Step 4: Simplify right side
   10,570.49x = 88,142,369.14
5. Step 5: Solve for x
   x = 88,142,369.14/10,570.49
6. Step 6: Final answer
   x = 8,338.54