Finding the Fourth Proportional to 151,991.82, 209,749.54 and 83,081.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,991.82 : 209,749.54 = 83,081.38 : x
2. Step 2: Convert to fraction form
   151,991.82/209,749.54 = 83,081.38/x
3. Step 3: Cross multiply
   151,991.82x = 209,749.54 × 83,081.38
4. Step 4: Simplify right side
   151,991.82x = 17,426,281,603.60
5. Step 5: Solve for x
   x = 17,426,281,603.60/151,991.82
6. Step 6: Final answer
   x = 114,652.76