Finding the Fourth Proportional to 110,449.15, 165,679.49 and 31,575.31

Step by Step Solution

1. Step 1: Write the proportion equation
   110,449.15 : 165,679.49 = 31,575.31 : x
2. Step 2: Convert to fraction form
   110,449.15/165,679.49 = 31,575.31/x
3. Step 3: Cross multiply
   110,449.15x = 165,679.49 × 31,575.31
4. Step 4: Simplify right side
   110,449.15x = 5,231,381,257.39
5. Step 5: Solve for x
   x = 5,231,381,257.39/110,449.15
6. Step 6: Final answer
   x = 47,364.61