Finding the Fourth Proportional to 105,034.10, 157,551.15 and 31,162.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,034.10 : 157,551.15 = 31,162.10 : x
2. Step 2: Convert to fraction form
   105,034.10/157,551.15 = 31,162.10/x
3. Step 3: Cross multiply
   105,034.10x = 157,551.15 × 31,162.10
4. Step 4: Simplify right side
   105,034.10x = 4,909,624,691.42
5. Step 5: Solve for x
   x = 4,909,624,691.42/105,034.10
6. Step 6: Final answer
   x = 46,743.15