Finding the Fourth Proportional to 10,422.84, 14,383.56 and 5,707.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.84 : 14,383.56 = 5,707.08 : x
2. Step 2: Convert to fraction form
   10,422.84/14,383.56 = 5,707.08/x
3. Step 3: Cross multiply
   10,422.84x = 14,383.56 × 5,707.08
4. Step 4: Simplify right side
   10,422.84x = 82,088,127.60
5. Step 5: Solve for x
   x = 82,088,127.60/10,422.84
6. Step 6: Final answer
   x = 7,875.79