Finding the Fourth Proportional to 10,663.32, 16,003.53 and 4,820.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,663.32 : 16,003.53 = 4,820.43 : x
2. Step 2: Convert to fraction form
   10,663.32/16,003.53 = 4,820.43/x
3. Step 3: Cross multiply
   10,663.32x = 16,003.53 × 4,820.43
4. Step 4: Simplify right side
   10,663.32x = 77,143,896.12
5. Step 5: Solve for x
   x = 77,143,896.12/10,663.32
6. Step 6: Final answer
   x = 7,234.51