Finding the Fourth Proportional to 67,818.09, 101,715.51 and 17,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,818.09 : 101,715.51 = 17,898.72 : x
2. Step 2: Convert to fraction form
   67,818.09/101,715.51 = 17,898.72/x
3. Step 3: Cross multiply
   67,818.09x = 101,715.51 × 17,898.72
4. Step 4: Simplify right side
   67,818.09x = 1,820,577,433.15
5. Step 5: Solve for x
   x = 1,820,577,433.15/67,818.09
6. Step 6: Final answer
   x = 26,845.01