Finding the Fourth Proportional to 35,371.89, 48,827.81 and 21,222

Step by Step Solution

1. Step 1: Write the proportion equation
   35,371.89 : 48,827.81 = 21,222 : x
2. Step 2: Convert to fraction form
   35,371.89/48,827.81 = 21,222/x
3. Step 3: Cross multiply
   35,371.89x = 48,827.81 × 21,222
4. Step 4: Simplify right side
   35,371.89x = 1,036,223,836.88
5. Step 5: Solve for x
   x = 1,036,223,836.88/35,371.89
6. Step 6: Final answer
   x = 29,295.12