Finding the Fourth Proportional to 67,799.59, 101,687.82 and 17,880.18

Step by Step Solution

1. Step 1: Write the proportion equation
   67,799.59 : 101,687.82 = 17,880.18 : x
2. Step 2: Convert to fraction form
   67,799.59/101,687.82 = 17,880.18/x
3. Step 3: Cross multiply
   67,799.59x = 101,687.82 × 17,880.18
4. Step 4: Simplify right side
   67,799.59x = 1,818,196,525.41
5. Step 5: Solve for x
   x = 1,818,196,525.41/67,799.59
6. Step 6: Final answer
   x = 26,817.22