Finding the Fourth Proportional to 54,100.89, 74,680.05 and 48,425.62

Step by Step Solution

1. Step 1: Write the proportion equation
   54,100.89 : 74,680.05 = 48,425.62 : x
2. Step 2: Convert to fraction form
   54,100.89/74,680.05 = 48,425.62/x
3. Step 3: Cross multiply
   54,100.89x = 74,680.05 × 48,425.62
4. Step 4: Simplify right side
   54,100.89x = 3,616,427,722.88
5. Step 5: Solve for x
   x = 3,616,427,722.88/54,100.89
6. Step 6: Final answer
   x = 66,845.99