Finding the Fourth Proportional to 146,181, 218,638.08 and 86,066.27

Step by Step Solution

1. Step 1: Write the proportion equation
   146,181 : 218,638.08 = 86,066.27 : x
2. Step 2: Convert to fraction form
   146,181/218,638.08 = 86,066.27/x
3. Step 3: Cross multiply
   146,181x = 218,638.08 × 86,066.27
4. Step 4: Simplify right side
   146,181x = 18,817,362,932.37
5. Step 5: Solve for x
   x = 18,817,362,932.37/146,181
6. Step 6: Final answer
   x = 128,726.46