Finding the Fourth Proportional to 105,045.32, 157,567.90 and 31,173.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,045.32 : 157,567.90 = 31,173.32 : x
2. Step 2: Convert to fraction form
   105,045.32/157,567.90 = 31,173.32/x
3. Step 3: Cross multiply
   105,045.32x = 157,567.90 × 31,173.32
4. Step 4: Simplify right side
   105,045.32x = 4,911,914,568.43
5. Step 5: Solve for x
   x = 4,911,914,568.43/105,045.32
6. Step 6: Final answer
   x = 46,759.96