Finding the Fourth Proportional to 42,341, 63,514.16 and 14,258.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,341 : 63,514.16 = 14,258.76 : x
2. Step 2: Convert to fraction form
   42,341/63,514.16 = 14,258.76/x
3. Step 3: Cross multiply
   42,341x = 63,514.16 × 14,258.76
4. Step 4: Simplify right side
   42,341x = 905,633,164.04
5. Step 5: Solve for x
   x = 905,633,164.04/42,341
6. Step 6: Final answer
   x = 21,389.04