Finding the Fourth Proportional to 67,827.92, 101,741.56 and 21,080.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,827.92 : 101,741.56 = 21,080.72 : x
2. Step 2: Convert to fraction form
   67,827.92/101,741.56 = 21,080.72/x
3. Step 3: Cross multiply
   67,827.92x = 101,741.56 × 21,080.72
4. Step 4: Simplify right side
   67,827.92x = 2,144,785,338.72
5. Step 5: Solve for x
   x = 2,144,785,338.72/67,827.92
6. Step 6: Final answer
   x = 31,620.98