Finding the Fourth Proportional to 151,033.50, 208,426.23 and 83,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   151,033.50 : 208,426.23 = 83,978.46 : x
2. Step 2: Convert to fraction form
   151,033.50/208,426.23 = 83,978.46/x
3. Step 3: Cross multiply
   151,033.50x = 208,426.23 × 83,978.46
4. Step 4: Simplify right side
   151,033.50x = 17,503,313,819.01
5. Step 5: Solve for x
   x = 17,503,313,819.01/151,033.50
6. Step 6: Final answer
   x = 115,890.27