Finding the Fourth Proportional to 31,644.56, 43,673.84 and 19,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,644.56 : 43,673.84 = 19,066.88 : x
2. Step 2: Convert to fraction form
   31,644.56/43,673.84 = 19,066.88/x
3. Step 3: Cross multiply
   31,644.56x = 43,673.84 × 19,066.88
4. Step 4: Simplify right side
   31,644.56x = 832,723,552.72
5. Step 5: Solve for x
   x = 832,723,552.72/31,644.56
6. Step 6: Final answer
   x = 26,314.91