Finding the Fourth Proportional to 9,017.34, 12,439.20 and 5,653.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,017.34 : 12,439.20 = 5,653.81 : x
2. Step 2: Convert to fraction form
   9,017.34/12,439.20 = 5,653.81/x
3. Step 3: Cross multiply
   9,017.34x = 12,439.20 × 5,653.81
4. Step 4: Simplify right side
   9,017.34x = 70,328,873.35
5. Step 5: Solve for x
   x = 70,328,873.35/9,017.34
6. Step 6: Final answer
   x = 7,799.29