Finding the Fourth Proportional to 151,900.17, 209,618.17 and 83,906.18

Step by Step Solution

1. Step 1: Write the proportion equation
   151,900.17 : 209,618.17 = 83,906.18 : x
2. Step 2: Convert to fraction form
   151,900.17/209,618.17 = 83,906.18/x
3. Step 3: Cross multiply
   151,900.17x = 209,618.17 × 83,906.18
4. Step 4: Simplify right side
   151,900.17x = 17,588,259,903.29
5. Step 5: Solve for x
   x = 17,588,259,903.29/151,900.17
6. Step 6: Final answer
   x = 115,788.28