Finding the Fourth Proportional to 151,905, 209,628.06 and 83,926.62

Step by Step Solution

1. Step 1: Write the proportion equation
   151,905 : 209,628.06 = 83,926.62 : x
2. Step 2: Convert to fraction form
   151,905/209,628.06 = 83,926.62/x
3. Step 3: Cross multiply
   151,905x = 209,628.06 × 83,926.62
4. Step 4: Simplify right side
   151,905x = 17,593,374,532.96
5. Step 5: Solve for x
   x = 17,593,374,532.96/151,905
6. Step 6: Final answer
   x = 115,818.27