Finding the Fourth Proportional to 67,322.40, 101,003.28 and 19,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,322.40 : 101,003.28 = 19,938.72 : x
2. Step 2: Convert to fraction form
   67,322.40/101,003.28 = 19,938.72/x
3. Step 3: Cross multiply
   67,322.40x = 101,003.28 × 19,938.72
4. Step 4: Simplify right side
   67,322.40x = 2,013,876,119.00
5. Step 5: Solve for x
   x = 2,013,876,119.00/67,322.40
6. Step 6: Final answer
   x = 29,913.91