Finding the Fourth Proportional to 67,401.57, 101,098.71 and 20,654.58

Step by Step Solution

1. Step 1: Write the proportion equation
   67,401.57 : 101,098.71 = 20,654.58 : x
2. Step 2: Convert to fraction form
   67,401.57/101,098.71 = 20,654.58/x
3. Step 3: Cross multiply
   67,401.57x = 101,098.71 × 20,654.58
4. Step 4: Simplify right side
   67,401.57x = 2,088,151,393.59
5. Step 5: Solve for x
   x = 2,088,151,393.59/67,401.57
6. Step 6: Final answer
   x = 30,980.75