Finding the Fourth Proportional to 72,495.73, 108,688.89 and 47,542.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,495.73 : 108,688.89 = 47,542.06 : x
2. Step 2: Convert to fraction form
   72,495.73/108,688.89 = 47,542.06/x
3. Step 3: Cross multiply
   72,495.73x = 108,688.89 × 47,542.06
4. Step 4: Simplify right side
   72,495.73x = 5,167,293,165.06
5. Step 5: Solve for x
   x = 5,167,293,165.06/72,495.73
6. Step 6: Final answer
   x = 71,277.21