Finding the Fourth Proportional to 105,915.57, 158,895.23 and 31,038.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,915.57 : 158,895.23 = 31,038.17 : x
2. Step 2: Convert to fraction form
   105,915.57/158,895.23 = 31,038.17/x
3. Step 3: Cross multiply
   105,915.57x = 158,895.23 × 31,038.17
4. Step 4: Simplify right side
   105,915.57x = 4,931,816,211.26
5. Step 5: Solve for x
   x = 4,931,816,211.26/105,915.57
6. Step 6: Final answer
   x = 46,563.66