Finding the Fourth Proportional to 146,013.75, 201,498.98 and 78,945.75

Step by Step Solution

1. Step 1: Write the proportion equation
   146,013.75 : 201,498.98 = 78,945.75 : x
2. Step 2: Convert to fraction form
   146,013.75/201,498.98 = 78,945.75/x
3. Step 3: Cross multiply
   146,013.75x = 201,498.98 × 78,945.75
4. Step 4: Simplify right side
   146,013.75x = 15,907,487,705.61
5. Step 5: Solve for x
   x = 15,907,487,705.61/146,013.75
6. Step 6: Final answer
   x = 108,945.14