Finding the Fourth Proportional to 269,168.18, 403,814.76 and 91,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   269,168.18 : 403,814.76 = 91,676.72 : x
2. Step 2: Convert to fraction form
   269,168.18/403,814.76 = 91,676.72/x
3. Step 3: Cross multiply
   269,168.18x = 403,814.76 × 91,676.72
4. Step 4: Simplify right side
   269,168.18x = 37,020,412,684.39
5. Step 5: Solve for x
   x = 37,020,412,684.39/269,168.18
6. Step 6: Final answer
   x = 137,536.36