Finding the Fourth Proportional to 7,663.40, 10,572.72 and 5,012.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,663.40 : 10,572.72 = 5,012.32 : x
2. Step 2: Convert to fraction form
   7,663.40/10,572.72 = 5,012.32/x
3. Step 3: Cross multiply
   7,663.40x = 10,572.72 × 5,012.32
4. Step 4: Simplify right side
   7,663.40x = 52,993,855.91
5. Step 5: Solve for x
   x = 52,993,855.91/7,663.40
6. Step 6: Final answer
   x = 6,915.19