Finding the Fourth Proportional to 105,483.61, 158,205.26 and 31,611.61

Step by Step Solution

1. Step 1: Write the proportion equation
   105,483.61 : 158,205.26 = 31,611.61 : x
2. Step 2: Convert to fraction form
   105,483.61/158,205.26 = 31,611.61/x
3. Step 3: Cross multiply
   105,483.61x = 158,205.26 × 31,611.61
4. Step 4: Simplify right side
   105,483.61x = 5,001,122,821.01
5. Step 5: Solve for x
   x = 5,001,122,821.01/105,483.61
6. Step 6: Final answer
   x = 47,411.37