Finding the Fourth Proportional to 151,018.16, 208,410.41 and 83,040.31

Step by Step Solution

1. Step 1: Write the proportion equation
   151,018.16 : 208,410.41 = 83,040.31 : x
2. Step 2: Convert to fraction form
   151,018.16/208,410.41 = 83,040.31/x
3. Step 3: Cross multiply
   151,018.16x = 208,410.41 × 83,040.31
4. Step 4: Simplify right side
   151,018.16x = 17,306,465,053.63
5. Step 5: Solve for x
   x = 17,306,465,053.63/151,018.16
6. Step 6: Final answer
   x = 114,598.57