Finding the Fourth Proportional to 21,404.56, 32,090.52 and 14,811.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.56 : 32,090.52 = 14,811.76 : x
2. Step 2: Convert to fraction form
   21,404.56/32,090.52 = 14,811.76/x
3. Step 3: Cross multiply
   21,404.56x = 32,090.52 × 14,811.76
4. Step 4: Simplify right side
   21,404.56x = 475,317,080.52
5. Step 5: Solve for x
   x = 475,317,080.52/21,404.56
6. Step 6: Final answer
   x = 22,206.35