Finding the Fourth Proportional to 151,107.27, 208,526.88 and 83,122.78

Step by Step Solution

1. Step 1: Write the proportion equation
   151,107.27 : 208,526.88 = 83,122.78 : x
2. Step 2: Convert to fraction form
   151,107.27/208,526.88 = 83,122.78/x
3. Step 3: Cross multiply
   151,107.27x = 208,526.88 × 83,122.78
4. Step 4: Simplify right side
   151,107.27x = 17,333,333,970.33
5. Step 5: Solve for x
   x = 17,333,333,970.33/151,107.27
6. Step 6: Final answer
   x = 114,708.80