Finding the Fourth Proportional to 21,475.02, 29,628.54 and 12,041.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,475.02 : 29,628.54 = 12,041.76 : x
2. Step 2: Convert to fraction form
   21,475.02/29,628.54 = 12,041.76/x
3. Step 3: Cross multiply
   21,475.02x = 29,628.54 × 12,041.76
4. Step 4: Simplify right side
   21,475.02x = 356,779,767.83
5. Step 5: Solve for x
   x = 356,779,767.83/21,475.02
6. Step 6: Final answer
   x = 16,613.71