Finding the Fourth Proportional to 35,641.50, 49,173.24 and 20,533.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,641.50 : 49,173.24 = 20,533.76 : x
2. Step 2: Convert to fraction form
   35,641.50/49,173.24 = 20,533.76/x
3. Step 3: Cross multiply
   35,641.50x = 49,173.24 × 20,533.76
4. Step 4: Simplify right side
   35,641.50x = 1,009,711,631.52
5. Step 5: Solve for x
   x = 1,009,711,631.52/35,641.50
6. Step 6: Final answer
   x = 28,329.66