Finding the Fourth Proportional to 151,489.76, 209,046.47 and 83,503.22

Step by Step Solution

1. Step 1: Write the proportion equation
   151,489.76 : 209,046.47 = 83,503.22 : x
2. Step 2: Convert to fraction form
   151,489.76/209,046.47 = 83,503.22/x
3. Step 3: Cross multiply
   151,489.76x = 209,046.47 × 83,503.22
4. Step 4: Simplify right side
   151,489.76x = 17,456,051,911.89
5. Step 5: Solve for x
   x = 17,456,051,911.89/151,489.76
6. Step 6: Final answer
   x = 115,229.26