Finding the Fourth Proportional to 42,005.82, 63,015.12 and 14,297.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,005.82 : 63,015.12 = 14,297.34 : x
2. Step 2: Convert to fraction form
   42,005.82/63,015.12 = 14,297.34/x
3. Step 3: Cross multiply
   42,005.82x = 63,015.12 × 14,297.34
4. Step 4: Simplify right side
   42,005.82x = 900,948,595.78
5. Step 5: Solve for x
   x = 900,948,595.78/42,005.82
6. Step 6: Final answer
   x = 21,448.18