Finding the Fourth Proportional to 136,514.58, 204,674.82 and 52,203.72

Step by Step Solution

1. Step 1: Write the proportion equation
   136,514.58 : 204,674.82 = 52,203.72 : x
2. Step 2: Convert to fraction form
   136,514.58/204,674.82 = 52,203.72/x
3. Step 3: Cross multiply
   136,514.58x = 204,674.82 × 52,203.72
4. Step 4: Simplify right side
   136,514.58x = 10,684,786,994.33
5. Step 5: Solve for x
   x = 10,684,786,994.33/136,514.58
6. Step 6: Final answer
   x = 78,268.47