Finding the Fourth Proportional to 110,420.72, 165,627.56 and 31,534.89

Step by Step Solution

1. Step 1: Write the proportion equation
   110,420.72 : 165,627.56 = 31,534.89 : x
2. Step 2: Convert to fraction form
   110,420.72/165,627.56 = 31,534.89/x
3. Step 3: Cross multiply
   110,420.72x = 165,627.56 × 31,534.89
4. Step 4: Simplify right side
   110,420.72x = 5,223,046,727.89
5. Step 5: Solve for x
   x = 5,223,046,727.89/110,420.72
6. Step 6: Final answer
   x = 47,301.33