Finding the Fourth Proportional to 54,308.06, 74,981.61 and 33,921.12

Step by Step Solution

1. Step 1: Write the proportion equation
   54,308.06 : 74,981.61 = 33,921.12 : x
2. Step 2: Convert to fraction form
   54,308.06/74,981.61 = 33,921.12/x
3. Step 3: Cross multiply
   54,308.06x = 74,981.61 × 33,921.12
4. Step 4: Simplify right side
   54,308.06x = 2,543,460,190.60
5. Step 5: Solve for x
   x = 2,543,460,190.60/54,308.06
6. Step 6: Final answer
   x = 46,833.94