Finding the Fourth Proportional to 105,406.26, 158,071.59 and 30,510.91

Step by Step Solution

1. Step 1: Write the proportion equation
   105,406.26 : 158,071.59 = 30,510.91 : x
2. Step 2: Convert to fraction form
   105,406.26/158,071.59 = 30,510.91/x
3. Step 3: Cross multiply
   105,406.26x = 158,071.59 × 30,510.91
4. Step 4: Simplify right side
   105,406.26x = 4,822,907,113.13
5. Step 5: Solve for x
   x = 4,822,907,113.13/105,406.26
6. Step 6: Final answer
   x = 45,755.41