Finding the Fourth Proportional to 10,590.72, 14,630.40 and 8,463.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,590.72 : 14,630.40 = 8,463.46 : x
2. Step 2: Convert to fraction form
   10,590.72/14,630.40 = 8,463.46/x
3. Step 3: Cross multiply
   10,590.72x = 14,630.40 × 8,463.46
4. Step 4: Simplify right side
   10,590.72x = 123,823,736.87
5. Step 5: Solve for x
   x = 123,823,736.87/10,590.72
6. Step 6: Final answer
   x = 11,691.72