Finding the Fourth Proportional to 168,982.50, 233,196.06 and 105,320.25

Step by Step Solution

1. Step 1: Write the proportion equation
   168,982.50 : 233,196.06 = 105,320.25 : x
2. Step 2: Convert to fraction form
   168,982.50/233,196.06 = 105,320.25/x
3. Step 3: Cross multiply
   168,982.50x = 233,196.06 × 105,320.25
4. Step 4: Simplify right side
   168,982.50x = 24,560,267,733.17
5. Step 5: Solve for x
   x = 24,560,267,733.17/168,982.50
6. Step 6: Final answer
   x = 145,342.07