Finding the Fourth Proportional to 105,100.16, 157,675.84 and 31,228.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,100.16 : 157,675.84 = 31,228.16 : x
2. Step 2: Convert to fraction form
   105,100.16/157,675.84 = 31,228.16/x
3. Step 3: Cross multiply
   105,100.16x = 157,675.84 × 31,228.16
4. Step 4: Simplify right side
   105,100.16x = 4,923,926,359.65
5. Step 5: Solve for x
   x = 4,923,926,359.65/105,100.16
6. Step 6: Final answer
   x = 46,849.85