Finding the Fourth Proportional to 136,741.05, 188,719.83 and 79,368.03

Step by Step Solution

1. Step 1: Write the proportion equation
   136,741.05 : 188,719.83 = 79,368.03 : x
2. Step 2: Convert to fraction form
   136,741.05/188,719.83 = 79,368.03/x
3. Step 3: Cross multiply
   136,741.05x = 188,719.83 × 79,368.03
4. Step 4: Simplify right side
   136,741.05x = 14,978,321,129.03
5. Step 5: Solve for x
   x = 14,978,321,129.03/136,741.05
6. Step 6: Final answer
   x = 109,537.85