Finding the Fourth Proportional to 71,284.48, 106,926.78 and 21,369.82

Step by Step Solution

1. Step 1: Write the proportion equation
   71,284.48 : 106,926.78 = 21,369.82 : x
2. Step 2: Convert to fraction form
   71,284.48/106,926.78 = 21,369.82/x
3. Step 3: Cross multiply
   71,284.48x = 106,926.78 × 21,369.82
4. Step 4: Simplify right side
   71,284.48x = 2,285,006,041.78
5. Step 5: Solve for x
   x = 2,285,006,041.78/71,284.48
6. Step 6: Final answer
   x = 32,054.75