Finding the Fourth Proportional to 42,036.48, 63,061.20 and 14,328

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036.48 : 63,061.20 = 14,328 : x
2. Step 2: Convert to fraction form
   42,036.48/63,061.20 = 14,328/x
3. Step 3: Cross multiply
   42,036.48x = 63,061.20 × 14,328
4. Step 4: Simplify right side
   42,036.48x = 903,540,873.60
5. Step 5: Solve for x
   x = 903,540,873.60/42,036.48
6. Step 6: Final answer
   x = 21,494.21