Finding the Fourth Proportional to 31,679.31, 43,687.56 and 23,630.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,679.31 : 43,687.56 = 23,630.76 : x
2. Step 2: Convert to fraction form
   31,679.31/43,687.56 = 23,630.76/x
3. Step 3: Cross multiply
   31,679.31x = 43,687.56 × 23,630.76
4. Step 4: Simplify right side
   31,679.31x = 1,032,370,245.35
5. Step 5: Solve for x
   x = 1,032,370,245.35/31,679.31
6. Step 6: Final answer
   x = 32,588.15