Finding the Fourth Proportional to 105,806.31, 158,718.69 and 34,707.63

Step by Step Solution

1. Step 1: Write the proportion equation
   105,806.31 : 158,718.69 = 34,707.63 : x
2. Step 2: Convert to fraction form
   105,806.31/158,718.69 = 34,707.63/x
3. Step 3: Cross multiply
   105,806.31x = 158,718.69 × 34,707.63
4. Step 4: Simplify right side
   105,806.31x = 5,508,749,566.60
5. Step 5: Solve for x
   x = 5,508,749,566.60/105,806.31
6. Step 6: Final answer
   x = 52,064.47