Finding the Fourth Proportional to 110,090.78, 165,150.53 and 31,207.07

Step by Step Solution

1. Step 1: Write the proportion equation
   110,090.78 : 165,150.53 = 31,207.07 : x
2. Step 2: Convert to fraction form
   110,090.78/165,150.53 = 31,207.07/x
3. Step 3: Cross multiply
   110,090.78x = 165,150.53 × 31,207.07
4. Step 4: Simplify right side
   110,090.78x = 5,153,863,168.46
5. Step 5: Solve for x
   x = 5,153,863,168.46/110,090.78
6. Step 6: Final answer
   x = 46,814.67