Finding the Fourth Proportional to 136,443.26, 188,308.06 and 79,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,443.26 : 188,308.06 = 79,854.50 : x
2. Step 2: Convert to fraction form
   136,443.26/188,308.06 = 79,854.50/x
3. Step 3: Cross multiply
   136,443.26x = 188,308.06 × 79,854.50
4. Step 4: Simplify right side
   136,443.26x = 15,037,245,977.27
5. Step 5: Solve for x
   x = 15,037,245,977.27/136,443.26
6. Step 6: Final answer
   x = 110,208.79