Finding the Fourth Proportional to 394,356,123.27, 591,587,990.79 and 164,271,399.93

Step by Step Solution

1. Step 1: Write the proportion equation
   394,356,123.27 : 591,587,990.79 = 164,271,399.93 : x
2. Step 2: Convert to fraction form
   394,356,123.27/591,587,990.79 = 164,271,399.93/x
3. Step 3: Cross multiply
   394,356,123.27x = 591,587,990.79 × 164,271,399.93
4. Step 4: Simplify right side
   394,356,123.27x = 97,180,987,428,849,248
5. Step 5: Solve for x
   x = 97,180,987,428,849,248/394,356,123.27
6. Step 6: Final answer
   x = 246,429,513.06