Finding the Fourth Proportional to 72,506.49, 108,746.77 and 46,132.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,506.49 : 108,746.77 = 46,132.89 : x
2. Step 2: Convert to fraction form
   72,506.49/108,746.77 = 46,132.89/x
3. Step 3: Cross multiply
   72,506.49x = 108,746.77 × 46,132.89
4. Step 4: Simplify right side
   72,506.49x = 5,016,802,778.27
5. Step 5: Solve for x
   x = 5,016,802,778.27/72,506.49
6. Step 6: Final answer
   x = 69,191.09