Finding the Fourth Proportional to 146,145.50, 201,680.82 and 79,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,145.50 : 201,680.82 = 79,077.50 : x
2. Step 2: Convert to fraction form
   146,145.50/201,680.82 = 79,077.50/x
3. Step 3: Cross multiply
   146,145.50x = 201,680.82 × 79,077.50
4. Step 4: Simplify right side
   146,145.50x = 15,948,415,043.55
5. Step 5: Solve for x
   x = 15,948,415,043.55/146,145.50
6. Step 6: Final answer
   x = 109,126.97