Finding the Fourth Proportional to 21,484.96, 29,649.12 and 12,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,484.96 : 29,649.12 = 12,053.50 : x
2. Step 2: Convert to fraction form
   21,484.96/29,649.12 = 12,053.50/x
3. Step 3: Cross multiply
   21,484.96x = 29,649.12 × 12,053.50
4. Step 4: Simplify right side
   21,484.96x = 357,375,667.92
5. Step 5: Solve for x
   x = 357,375,667.92/21,484.96
6. Step 6: Final answer
   x = 16,633.76