Finding the Fourth Proportional to 151,021.20, 208,404.82 and 83,038.10

Step by Step Solution

1. Step 1: Write the proportion equation
   151,021.20 : 208,404.82 = 83,038.10 : x
2. Step 2: Convert to fraction form
   151,021.20/208,404.82 = 83,038.10/x
3. Step 3: Cross multiply
   151,021.20x = 208,404.82 × 83,038.10
4. Step 4: Simplify right side
   151,021.20x = 17,305,540,283.64
5. Step 5: Solve for x
   x = 17,305,540,283.64/151,021.20
6. Step 6: Final answer
   x = 114,590.14