Finding the Fourth Proportional to 110,100.30, 165,118.05 and 31,221.42

Step by Step Solution

1. Step 1: Write the proportion equation
   110,100.30 : 165,118.05 = 31,221.42 : x
2. Step 2: Convert to fraction form
   110,100.30/165,118.05 = 31,221.42/x
3. Step 3: Cross multiply
   110,100.30x = 165,118.05 × 31,221.42
4. Step 4: Simplify right side
   110,100.30x = 5,155,219,988.63
5. Step 5: Solve for x
   x = 5,155,219,988.63/110,100.30
6. Step 6: Final answer
   x = 46,822.94