Finding the Fourth Proportional to 151,761.76, 209,429.94 and 83,777.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151,761.76 : 209,429.94 = 83,777.27 : x
2. Step 2: Convert to fraction form
   151,761.76/209,429.94 = 83,777.27/x
3. Step 3: Cross multiply
   151,761.76x = 209,429.94 × 83,777.27
4. Step 4: Simplify right side
   151,761.76x = 17,545,468,629.46
5. Step 5: Solve for x
   x = 17,545,468,629.46/151,761.76
6. Step 6: Final answer
   x = 115,611.92