Finding the Fourth Proportional to 54,680.54, 74,967 and 53,684.09

Step by Step Solution

1. Step 1: Write the proportion equation
   54,680.54 : 74,967 = 53,684.09 : x
2. Step 2: Convert to fraction form
   54,680.54/74,967 = 53,684.09/x
3. Step 3: Cross multiply
   54,680.54x = 74,967 × 53,684.09
4. Step 4: Simplify right side
   54,680.54x = 4,024,535,175.03
5. Step 5: Solve for x
   x = 4,024,535,175.03/54,680.54
6. Step 6: Final answer
   x = 73,600.87