Finding the Fourth Proportional to 52,478.72, 72,379.68 and 33,617.60

Step by Step Solution

1. Step 1: Write the proportion equation
   52,478.72 : 72,379.68 = 33,617.60 : x
2. Step 2: Convert to fraction form
   52,478.72/72,379.68 = 33,617.60/x
3. Step 3: Cross multiply
   52,478.72x = 72,379.68 × 33,617.60
4. Step 4: Simplify right side
   52,478.72x = 2,433,231,130.37
5. Step 5: Solve for x
   x = 2,433,231,130.37/52,478.72
6. Step 6: Final answer
   x = 46,366.05