Finding the Fourth Proportional to 136,475.82, 204,573.42 and 52,216.20

Step by Step Solution

1. Step 1: Write the proportion equation
   136,475.82 : 204,573.42 = 52,216.20 : x
2. Step 2: Convert to fraction form
   136,475.82/204,573.42 = 52,216.20/x
3. Step 3: Cross multiply
   136,475.82x = 204,573.42 × 52,216.20
4. Step 4: Simplify right side
   136,475.82x = 10,682,046,613.40
5. Step 5: Solve for x
   x = 10,682,046,613.40/136,475.82
6. Step 6: Final answer
   x = 78,270.62