Finding the Fourth Proportional to 271,142,399.33, 374,217,412.46 and 165,357,186.09

Step by Step Solution

1. Step 1: Write the proportion equation
   271,142,399.33 : 374,217,412.46 = 165,357,186.09 : x
2. Step 2: Convert to fraction form
   271,142,399.33/374,217,412.46 = 165,357,186.09/x
3. Step 3: Cross multiply
   271,142,399.33x = 374,217,412.46 × 165,357,186.09
4. Step 4: Simplify right side
   271,142,399.33x = 61,879,538,310,143,240
5. Step 5: Solve for x
   x = 61,879,538,310,143,240/271,142,399.33
6. Step 6: Final answer
   x = 228,217,860.66