Finding the Fourth Proportional to 143,687.94, 215,480.04 and 60,588.42

Step by Step Solution

1. Step 1: Write the proportion equation
   143,687.94 : 215,480.04 = 60,588.42 : x
2. Step 2: Convert to fraction form
   143,687.94/215,480.04 = 60,588.42/x
3. Step 3: Cross multiply
   143,687.94x = 215,480.04 × 60,588.42
4. Step 4: Simplify right side
   143,687.94x = 13,055,595,165.14
5. Step 5: Solve for x
   x = 13,055,595,165.14/143,687.94
6. Step 6: Final answer
   x = 90,860.76