Finding the Fourth Proportional to 151,760.53, 209,429.49 and 83,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,760.53 : 209,429.49 = 83,777.50 : x
2. Step 2: Convert to fraction form
   151,760.53/209,429.49 = 83,777.50/x
3. Step 3: Cross multiply
   151,760.53x = 209,429.49 × 83,777.50
4. Step 4: Simplify right side
   151,760.53x = 17,545,479,098.48
5. Step 5: Solve for x
   x = 17,545,479,098.48/151,760.53
6. Step 6: Final answer
   x = 115,612.93