Finding the Fourth Proportional to 42,009.82, 63,021.12 and 14,301.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,009.82 : 63,021.12 = 14,301.34 : x
2. Step 2: Convert to fraction form
   42,009.82/63,021.12 = 14,301.34/x
3. Step 3: Cross multiply
   42,009.82x = 63,021.12 × 14,301.34
4. Step 4: Simplify right side
   42,009.82x = 901,286,464.30
5. Step 5: Solve for x
   x = 901,286,464.30/42,009.82
6. Step 6: Final answer
   x = 21,454.19