Finding the Fourth Proportional to 67,532.67, 101,300.31 and 20,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,532.67 : 101,300.31 = 20,785.50 : x
2. Step 2: Convert to fraction form
   67,532.67/101,300.31 = 20,785.50/x
3. Step 3: Cross multiply
   67,532.67x = 101,300.31 × 20,785.50
4. Step 4: Simplify right side
   67,532.67x = 2,105,577,593.51
5. Step 5: Solve for x
   x = 2,105,577,593.51/67,532.67
6. Step 6: Final answer
   x = 31,178.65