Finding the Fourth Proportional to 67,875.59, 101,828.03 and 20,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,875.59 : 101,828.03 = 20,486.72 : x
2. Step 2: Convert to fraction form
   67,875.59/101,828.03 = 20,486.72/x
3. Step 3: Cross multiply
   67,875.59x = 101,828.03 × 20,486.72
4. Step 4: Simplify right side
   67,875.59x = 2,086,122,490.90
5. Step 5: Solve for x
   x = 2,086,122,490.90/67,875.59
6. Step 6: Final answer
   x = 30,734.50