Finding the Fourth Proportional to 309,824,105.42, 427,564,932.60 and 168,703,062.32

Step by Step Solution

1. Step 1: Write the proportion equation
   309,824,105.42 : 427,564,932.60 = 168,703,062.32 : x
2. Step 2: Convert to fraction form
   309,824,105.42/427,564,932.60 = 168,703,062.32/x
3. Step 3: Cross multiply
   309,824,105.42x = 427,564,932.60 × 168,703,062.32
4. Step 4: Simplify right side
   309,824,105.42x = 72,131,513,470,264,400
5. Step 5: Solve for x
   x = 72,131,513,470,264,400/309,824,105.42
6. Step 6: Final answer
   x = 232,814,400.84