Finding the Fourth Proportional to 151,002.56, 208,383.67 and 83,020.70

Step by Step Solution

1. Step 1: Write the proportion equation
   151,002.56 : 208,383.67 = 83,020.70 : x
2. Step 2: Convert to fraction form
   151,002.56/208,383.67 = 83,020.70/x
3. Step 3: Cross multiply
   151,002.56x = 208,383.67 × 83,020.70
4. Step 4: Simplify right side
   151,002.56x = 17,300,158,151.97
5. Step 5: Solve for x
   x = 17,300,158,151.97/151,002.56
6. Step 6: Final answer
   x = 114,568.64