Finding the Fourth Proportional to 151,136.37, 208,565.33 and 83,151.65

Step by Step Solution

1. Step 1: Write the proportion equation
   151,136.37 : 208,565.33 = 83,151.65 : x
2. Step 2: Convert to fraction form
   151,136.37/208,565.33 = 83,151.65/x
3. Step 3: Cross multiply
   151,136.37x = 208,565.33 × 83,151.65
4. Step 4: Simplify right side
   151,136.37x = 17,342,549,863.71
5. Step 5: Solve for x
   x = 17,342,549,863.71/151,136.37
6. Step 6: Final answer
   x = 114,747.69