Finding the Fourth Proportional to 10,422.84, 14,383.88 and 5,707.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.84 : 14,383.88 = 5,707.15 : x
2. Step 2: Convert to fraction form
   10,422.84/14,383.88 = 5,707.15/x
3. Step 3: Cross multiply
   10,422.84x = 14,383.88 × 5,707.15
4. Step 4: Simplify right side
   10,422.84x = 82,090,960.74
5. Step 5: Solve for x
   x = 82,090,960.74/10,422.84
6. Step 6: Final answer
   x = 7,876.06