Finding the Fourth Proportional to 146,783.36, 202,600.89 and 86,373.42

Step by Step Solution

1. Step 1: Write the proportion equation
   146,783.36 : 202,600.89 = 86,373.42 : x
2. Step 2: Convert to fraction form
   146,783.36/202,600.89 = 86,373.42/x
3. Step 3: Cross multiply
   146,783.36x = 202,600.89 × 86,373.42
4. Step 4: Simplify right side
   146,783.36x = 17,499,331,764.34
5. Step 5: Solve for x
   x = 17,499,331,764.34/146,783.36
6. Step 6: Final answer
   x = 119,218.77