Finding the Fourth Proportional to 105,586.72, 158,390.10 and 29,685.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,586.72 : 158,390.10 = 29,685.10 : x
2. Step 2: Convert to fraction form
   105,586.72/158,390.10 = 29,685.10/x
3. Step 3: Cross multiply
   105,586.72x = 158,390.10 × 29,685.10
4. Step 4: Simplify right side
   105,586.72x = 4,701,825,957.51
5. Step 5: Solve for x
   x = 4,701,825,957.51/105,586.72
6. Step 6: Final answer
   x = 44,530.47