Finding the Fourth Proportional to 151,137.82, 208,571.79 and 83,155.69

Step by Step Solution

1. Step 1: Write the proportion equation
   151,137.82 : 208,571.79 = 83,155.69 : x
2. Step 2: Convert to fraction form
   151,137.82/208,571.79 = 83,155.69/x
3. Step 3: Cross multiply
   151,137.82x = 208,571.79 × 83,155.69
4. Step 4: Simplify right side
   151,137.82x = 17,343,931,111.99
5. Step 5: Solve for x
   x = 17,343,931,111.99/151,137.82
6. Step 6: Final answer
   x = 114,755.73