Finding the Fourth Proportional to 16,637.12, 24,966.72 and 7,402.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,637.12 : 24,966.72 = 7,402.88 : x
2. Step 2: Convert to fraction form
   16,637.12/24,966.72 = 7,402.88/x
3. Step 3: Cross multiply
   16,637.12x = 24,966.72 × 7,402.88
4. Step 4: Simplify right side
   16,637.12x = 184,825,632.15
5. Step 5: Solve for x
   x = 184,825,632.15/16,637.12
6. Step 6: Final answer
   x = 11,109.23