Finding the Fourth Proportional to 110,085.47, 165,127.90 and 31,200.38

Step by Step Solution

1. Step 1: Write the proportion equation
   110,085.47 : 165,127.90 = 31,200.38 : x
2. Step 2: Convert to fraction form
   110,085.47/165,127.90 = 31,200.38/x
3. Step 3: Cross multiply
   110,085.47x = 165,127.90 × 31,200.38
4. Step 4: Simplify right side
   110,085.47x = 5,152,053,228.60
5. Step 5: Solve for x
   x = 5,152,053,228.60/110,085.47
6. Step 6: Final answer
   x = 46,800.48