Finding the Fourth Proportional to 110,385.62, 165,579.94 and 31,499.83

Step by Step Solution

1. Step 1: Write the proportion equation
   110,385.62 : 165,579.94 = 31,499.83 : x
2. Step 2: Convert to fraction form
   110,385.62/165,579.94 = 31,499.83/x
3. Step 3: Cross multiply
   110,385.62x = 165,579.94 × 31,499.83
4. Step 4: Simplify right side
   110,385.62x = 5,215,739,133.51
5. Step 5: Solve for x
   x = 5,215,739,133.51/110,385.62
6. Step 6: Final answer
   x = 47,250.17