Finding the Fourth Proportional to 262,654.84, 394,047.06 and 75,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   262,654.84 : 394,047.06 = 75,664.72 : x
2. Step 2: Convert to fraction form
   262,654.84/394,047.06 = 75,664.72/x
3. Step 3: Cross multiply
   262,654.84x = 394,047.06 × 75,664.72
4. Step 4: Simplify right side
   262,654.84x = 29,815,460,461.72
5. Step 5: Solve for x
   x = 29,815,460,461.72/262,654.84
6. Step 6: Final answer
   x = 113,515.75