Finding the Fourth Proportional to 151,039.99, 208,435.89 and 83,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   151,039.99 : 208,435.89 = 83,061.28 : x
2. Step 2: Convert to fraction form
   151,039.99/208,435.89 = 83,061.28/x
3. Step 3: Cross multiply
   151,039.99x = 208,435.89 × 83,061.28
4. Step 4: Simplify right side
   151,039.99x = 17,312,951,821.34
5. Step 5: Solve for x
   x = 17,312,951,821.34/151,039.99
6. Step 6: Final answer
   x = 114,624.95