Finding the Fourth Proportional to 10,572.50, 14,586.72 and 7,036.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,572.50 : 14,586.72 = 7,036.28 : x
2. Step 2: Convert to fraction form
   10,572.50/14,586.72 = 7,036.28/x
3. Step 3: Cross multiply
   10,572.50x = 14,586.72 × 7,036.28
4. Step 4: Simplify right side
   10,572.50x = 102,636,246.20
5. Step 5: Solve for x
   x = 102,636,246.20/10,572.50
6. Step 6: Final answer
   x = 9,707.85