Finding the Fourth Proportional to 144,561.69, 216,725.67 and 60,386.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,561.69 : 216,725.67 = 60,386.34 : x
2. Step 2: Convert to fraction form
   144,561.69/216,725.67 = 60,386.34/x
3. Step 3: Cross multiply
   144,561.69x = 216,725.67 × 60,386.34
4. Step 4: Simplify right side
   144,561.69x = 13,087,269,995.35
5. Step 5: Solve for x
   x = 13,087,269,995.35/144,561.69
6. Step 6: Final answer
   x = 90,530.69