Finding the Fourth Proportional to 42,303, 63,455.52 and 14,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,303 : 63,455.52 = 14,223.42 : x
2. Step 2: Convert to fraction form
   42,303/63,455.52 = 14,223.42/x
3. Step 3: Cross multiply
   42,303x = 63,455.52 × 14,223.42
4. Step 4: Simplify right side
   42,303x = 902,554,512.28
5. Step 5: Solve for x
   x = 902,554,512.28/42,303
6. Step 6: Final answer
   x = 21,335.47