Finding the Fourth Proportional to 144,570.69, 216,739.17 and 60,395.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,570.69 : 216,739.17 = 60,395.34 : x
2. Step 2: Convert to fraction form
   144,570.69/216,739.17 = 60,395.34/x
3. Step 3: Cross multiply
   144,570.69x = 216,739.17 × 60,395.34
4. Step 4: Simplify right side
   144,570.69x = 13,090,035,863.47
5. Step 5: Solve for x
   x = 13,090,035,863.47/144,570.69
6. Step 6: Final answer
   x = 90,544.19