Finding the Fourth Proportional to 35,572.32, 49,085.58 and 21,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,572.32 : 49,085.58 = 21,229.50 : x
2. Step 2: Convert to fraction form
   35,572.32/49,085.58 = 21,229.50/x
3. Step 3: Cross multiply
   35,572.32x = 49,085.58 × 21,229.50
4. Step 4: Simplify right side
   35,572.32x = 1,042,062,320.61
5. Step 5: Solve for x
   x = 1,042,062,320.61/35,572.32
6. Step 6: Final answer
   x = 29,294.19