Finding the Fourth Proportional to 328,559.82, 492,764.40 and 91,926.42

Step by Step Solution

1. Step 1: Write the proportion equation
   328,559.82 : 492,764.40 = 91,926.42 : x
2. Step 2: Convert to fraction form
   328,559.82/492,764.40 = 91,926.42/x
3. Step 3: Cross multiply
   328,559.82x = 492,764.40 × 91,926.42
4. Step 4: Simplify right side
   328,559.82x = 45,298,067,195.45
5. Step 5: Solve for x
   x = 45,298,067,195.45/328,559.82
6. Step 6: Final answer
   x = 137,868.55