Finding the Fourth Proportional to 16,300.56, 24,432.16 and 7,406.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.56 : 24,432.16 = 7,406.31 : x
2. Step 2: Convert to fraction form
   16,300.56/24,432.16 = 7,406.31/x
3. Step 3: Cross multiply
   16,300.56x = 24,432.16 × 7,406.31
4. Step 4: Simplify right side
   16,300.56x = 180,952,150.93
5. Step 5: Solve for x
   x = 180,952,150.93/16,300.56
6. Step 6: Final answer
   x = 11,100.98