Finding the Fourth Proportional to 67,598.88, 101,411.82 and 20,850

Step by Step Solution

1. Step 1: Write the proportion equation
   67,598.88 : 101,411.82 = 20,850 : x
2. Step 2: Convert to fraction form
   67,598.88/101,411.82 = 20,850/x
3. Step 3: Cross multiply
   67,598.88x = 101,411.82 × 20,850
4. Step 4: Simplify right side
   67,598.88x = 2,114,436,447.00
5. Step 5: Solve for x
   x = 2,114,436,447.00/67,598.88
6. Step 6: Final answer
   x = 31,279.16