Finding the Fourth Proportional to 135,017.82, 186,324.56 and 75,401.82

Step by Step Solution

1. Step 1: Write the proportion equation
   135,017.82 : 186,324.56 = 75,401.82 : x
2. Step 2: Convert to fraction form
   135,017.82/186,324.56 = 75,401.82/x
3. Step 3: Cross multiply
   135,017.82x = 186,324.56 × 75,401.82
4. Step 4: Simplify right side
   135,017.82x = 14,049,210,934.70
5. Step 5: Solve for x
   x = 14,049,210,934.70/135,017.82
6. Step 6: Final answer
   x = 104,054.49