Finding the Fourth Proportional to 164,314.62, 226,548.72 and 137,129.81

Step by Step Solution

1. Step 1: Write the proportion equation
   164,314.62 : 226,548.72 = 137,129.81 : x
2. Step 2: Convert to fraction form
   164,314.62/226,548.72 = 137,129.81/x
3. Step 3: Cross multiply
   164,314.62x = 226,548.72 × 137,129.81
4. Step 4: Simplify right side
   164,314.62x = 31,066,581,796.60
5. Step 5: Solve for x
   x = 31,066,581,796.60/164,314.62
6. Step 6: Final answer
   x = 189,067.67