Finding the Fourth Proportional to 151,887.52, 209,607.60 and 83,908

Step by Step Solution

1. Step 1: Write the proportion equation
   151,887.52 : 209,607.60 = 83,908 : x
2. Step 2: Convert to fraction form
   151,887.52/209,607.60 = 83,908/x
3. Step 3: Cross multiply
   151,887.52x = 209,607.60 × 83,908
4. Step 4: Simplify right side
   151,887.52x = 17,587,754,500.80
5. Step 5: Solve for x
   x = 17,587,754,500.80/151,887.52
6. Step 6: Final answer
   x = 115,794.60