Finding the Fourth Proportional to 31,188.58, 43,042.78 and 17,764.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,188.58 : 43,042.78 = 17,764.04 : x
2. Step 2: Convert to fraction form
   31,188.58/43,042.78 = 17,764.04/x
3. Step 3: Cross multiply
   31,188.58x = 43,042.78 × 17,764.04
4. Step 4: Simplify right side
   31,188.58x = 764,613,665.63
5. Step 5: Solve for x
   x = 764,613,665.63/31,188.58
6. Step 6: Final answer
   x = 24,515.82