Finding the Fourth Proportional to 32,900.76, 49,280.31 and 18,821.25

Step by Step Solution

1. Step 1: Write the proportion equation
   32,900.76 : 49,280.31 = 18,821.25 : x
2. Step 2: Convert to fraction form
   32,900.76/49,280.31 = 18,821.25/x
3. Step 3: Cross multiply
   32,900.76x = 49,280.31 × 18,821.25
4. Step 4: Simplify right side
   32,900.76x = 927,517,034.59
5. Step 5: Solve for x
   x = 927,517,034.59/32,900.76
6. Step 6: Final answer
   x = 28,191.36