Finding the Fourth Proportional to 31,471.86, 43,434.86 and 17,676.45

Step by Step Solution

1. Step 1: Write the proportion equation
   31,471.86 : 43,434.86 = 17,676.45 : x
2. Step 2: Convert to fraction form
   31,471.86/43,434.86 = 17,676.45/x
3. Step 3: Cross multiply
   31,471.86x = 43,434.86 × 17,676.45
4. Step 4: Simplify right side
   31,471.86x = 767,774,086.86
5. Step 5: Solve for x
   x = 767,774,086.86/31,471.86
6. Step 6: Final answer
   x = 24,395.58