Finding the Fourth Proportional to 151,105.17, 208,516.94 and 83,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   151,105.17 : 208,516.94 = 83,111.18 : x
2. Step 2: Convert to fraction form
   151,105.17/208,516.94 = 83,111.18/x
3. Step 3: Cross multiply
   151,105.17x = 208,516.94 × 83,111.18
4. Step 4: Simplify right side
   151,105.17x = 17,330,087,475.25
5. Step 5: Solve for x
   x = 17,330,087,475.25/151,105.17
6. Step 6: Final answer
   x = 114,688.91