Finding the Fourth Proportional to 136,410.22, 188,255.56 and 82,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,410.22 : 188,255.56 = 82,697.50 : x
2. Step 2: Convert to fraction form
   136,410.22/188,255.56 = 82,697.50/x
3. Step 3: Cross multiply
   136,410.22x = 188,255.56 × 82,697.50
4. Step 4: Simplify right side
   136,410.22x = 15,568,264,173.10
5. Step 5: Solve for x
   x = 15,568,264,173.10/136,410.22
6. Step 6: Final answer
   x = 114,128.28