Finding the Fourth Proportional to 10,426.36, 14,388.30 and 5,646.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.36 : 14,388.30 = 5,646.19 : x
2. Step 2: Convert to fraction form
   10,426.36/14,388.30 = 5,646.19/x
3. Step 3: Cross multiply
   10,426.36x = 14,388.30 × 5,646.19
4. Step 4: Simplify right side
   10,426.36x = 81,239,081.76
5. Step 5: Solve for x
   x = 81,239,081.76/10,426.36
6. Step 6: Final answer
   x = 7,791.70