Finding the Fourth Proportional to 54,123.20, 74,641.61 and 33,981.94

Step by Step Solution

1. Step 1: Write the proportion equation
   54,123.20 : 74,641.61 = 33,981.94 : x
2. Step 2: Convert to fraction form
   54,123.20/74,641.61 = 33,981.94/x
3. Step 3: Cross multiply
   54,123.20x = 74,641.61 × 33,981.94
4. Step 4: Simplify right side
   54,123.20x = 2,536,466,712.52
5. Step 5: Solve for x
   x = 2,536,466,712.52/54,123.20
6. Step 6: Final answer
   x = 46,864.68