Finding the Fourth Proportional to 151,087.61, 208,486.42 and 83,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,087.61 : 208,486.42 = 83,103.50 : x
2. Step 2: Convert to fraction form
   151,087.61/208,486.42 = 83,103.50/x
3. Step 3: Cross multiply
   151,087.61x = 208,486.42 × 83,103.50
4. Step 4: Simplify right side
   151,087.61x = 17,325,951,517.93
5. Step 5: Solve for x
   x = 17,325,951,517.93/151,087.61
6. Step 6: Final answer
   x = 114,674.86