Finding the Fourth Proportional to 105,790.68, 158,826.71 and 61,449.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,790.68 : 158,826.71 = 61,449.25 : x
2. Step 2: Convert to fraction form
   105,790.68/158,826.71 = 61,449.25/x
3. Step 3: Cross multiply
   105,790.68x = 158,826.71 × 61,449.25
4. Step 4: Simplify right side
   105,790.68x = 9,759,782,209.47
5. Step 5: Solve for x
   x = 9,759,782,209.47/105,790.68
6. Step 6: Final answer
   x = 92,255.60