Finding the Fourth Proportional to 146,157.50, 201,698.03 and 79,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,157.50 : 201,698.03 = 79,089.50 : x
2. Step 2: Convert to fraction form
   146,157.50/201,698.03 = 79,089.50/x
3. Step 3: Cross multiply
   146,157.50x = 201,698.03 × 79,089.50
4. Step 4: Simplify right side
   146,157.50x = 15,952,196,343.69
5. Step 5: Solve for x
   x = 15,952,196,343.69/146,157.50
6. Step 6: Final answer
   x = 109,143.88