Finding the Fourth Proportional to 43,166.42, 64,757.22 and 17,865.86

Step by Step Solution

1. Step 1: Write the proportion equation
   43,166.42 : 64,757.22 = 17,865.86 : x
2. Step 2: Convert to fraction form
   43,166.42/64,757.22 = 17,865.86/x
3. Step 3: Cross multiply
   43,166.42x = 64,757.22 × 17,865.86
4. Step 4: Simplify right side
   43,166.42x = 1,156,943,426.51
5. Step 5: Solve for x
   x = 1,156,943,426.51/43,166.42
6. Step 6: Final answer
   x = 26,801.93