Finding the Fourth Proportional to 143,929.94, 215,843.06 and 60,830.42

Step by Step Solution

1. Step 1: Write the proportion equation
   143,929.94 : 215,843.06 = 60,830.42 : x
2. Step 2: Convert to fraction form
   143,929.94/215,843.06 = 60,830.42/x
3. Step 3: Cross multiply
   143,929.94x = 215,843.06 × 60,830.42
4. Step 4: Simplify right side
   143,929.94x = 13,129,823,993.89
5. Step 5: Solve for x
   x = 13,129,823,993.89/143,929.94
6. Step 6: Final answer
   x = 91,223.72