Finding the Fourth Proportional to 67,496.84, 101,242.74 and 20,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,496.84 : 101,242.74 = 20,748.50 : x
2. Step 2: Convert to fraction form
   67,496.84/101,242.74 = 20,748.50/x
3. Step 3: Cross multiply
   67,496.84x = 101,242.74 × 20,748.50
4. Step 4: Simplify right side
   67,496.84x = 2,100,634,990.89
5. Step 5: Solve for x
   x = 2,100,634,990.89/67,496.84
6. Step 6: Final answer
   x = 31,121.98