Finding the Fourth Proportional to 105,036.10, 157,554.15 and 31,164.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,036.10 : 157,554.15 = 31,164.10 : x
2. Step 2: Convert to fraction form
   105,036.10/157,554.15 = 31,164.10/x
3. Step 3: Cross multiply
   105,036.10x = 157,554.15 × 31,164.10
4. Step 4: Simplify right side
   105,036.10x = 4,910,033,286.02
5. Step 5: Solve for x
   x = 4,910,033,286.02/105,036.10
6. Step 6: Final answer
   x = 46,746.15