Finding the Fourth Proportional to 165,959.30, 248,910.15 and 60,724.10

Step by Step Solution

1. Step 1: Write the proportion equation
   165,959.30 : 248,910.15 = 60,724.10 : x
2. Step 2: Convert to fraction form
   165,959.30/248,910.15 = 60,724.10/x
3. Step 3: Cross multiply
   165,959.30x = 248,910.15 × 60,724.10
4. Step 4: Simplify right side
   165,959.30x = 15,114,844,839.62
5. Step 5: Solve for x
   x = 15,114,844,839.62/165,959.30
6. Step 6: Final answer
   x = 91,075.61