Finding the Fourth Proportional to 151,036.80, 208,431.56 and 83,058.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,036.80 : 208,431.56 = 83,058.16 : x
2. Step 2: Convert to fraction form
   151,036.80/208,431.56 = 83,058.16/x
3. Step 3: Cross multiply
   151,036.80x = 208,431.56 × 83,058.16
4. Step 4: Simplify right side
   151,036.80x = 17,311,941,859.53
5. Step 5: Solve for x
   x = 17,311,941,859.53/151,036.80
6. Step 6: Final answer
   x = 114,620.69