Finding the Fourth Proportional to 67,843.89, 93,516.39 and 53,480.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,843.89 : 93,516.39 = 53,480.30 : x
2. Step 2: Convert to fraction form
   67,843.89/93,516.39 = 53,480.30/x
3. Step 3: Cross multiply
   67,843.89x = 93,516.39 × 53,480.30
4. Step 4: Simplify right side
   67,843.89x = 5,001,284,124.54
5. Step 5: Solve for x
   x = 5,001,284,124.54/67,843.89
6. Step 6: Final answer
   x = 73,717.53