Finding the Fourth Proportional to 144,367.57, 216,588.21 and 60,099.76

Step by Step Solution

1. Step 1: Write the proportion equation
   144,367.57 : 216,588.21 = 60,099.76 : x
2. Step 2: Convert to fraction form
   144,367.57/216,588.21 = 60,099.76/x
3. Step 3: Cross multiply
   144,367.57x = 216,588.21 × 60,099.76
4. Step 4: Simplify right side
   144,367.57x = 13,016,899,439.83
5. Step 5: Solve for x
   x = 13,016,899,439.83/144,367.57
6. Step 6: Final answer
   x = 90,164.98