Finding the Fourth Proportional to 105,772.08, 158,657.04 and 31,900.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,772.08 : 158,657.04 = 31,900.08 : x
2. Step 2: Convert to fraction form
   105,772.08/158,657.04 = 31,900.08/x
3. Step 3: Cross multiply
   105,772.08x = 158,657.04 × 31,900.08
4. Step 4: Simplify right side
   105,772.08x = 5,061,172,268.56
5. Step 5: Solve for x
   x = 5,061,172,268.56/105,772.08
6. Step 6: Final answer
   x = 47,849.79