Finding the Fourth Proportional to 67,345.50, 101,022.30 and 20,598.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,345.50 : 101,022.30 = 20,598.78 : x
2. Step 2: Convert to fraction form
   67,345.50/101,022.30 = 20,598.78/x
3. Step 3: Cross multiply
   67,345.50x = 101,022.30 × 20,598.78
4. Step 4: Simplify right side
   67,345.50x = 2,080,936,132.79
5. Step 5: Solve for x
   x = 2,080,936,132.79/67,345.50
6. Step 6: Final answer
   x = 30,899.41