Finding the Fourth Proportional to 72,469.89, 108,580.91 and 56,668.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,469.89 : 108,580.91 = 56,668.82 : x
2. Step 2: Convert to fraction form
   72,469.89/108,580.91 = 56,668.82/x
3. Step 3: Cross multiply
   72,469.89x = 108,580.91 × 56,668.82
4. Step 4: Simplify right side
   72,469.89x = 6,153,151,217.98
5. Step 5: Solve for x
   x = 6,153,151,217.98/72,469.89
6. Step 6: Final answer
   x = 84,906.31