Finding the Fourth Proportional to 309,824,100.41, 427,564,925.69 and 168,703,057.31

Step by Step Solution

1. Step 1: Write the proportion equation
   309,824,100.41 : 427,564,925.69 = 168,703,057.31 : x
2. Step 2: Convert to fraction form
   309,824,100.41/427,564,925.69 = 168,703,057.31/x
3. Step 3: Cross multiply
   309,824,100.41x = 427,564,925.69 × 168,703,057.31
4. Step 4: Simplify right side
   309,824,100.41x = 72,131,510,159,444,624
5. Step 5: Solve for x
   x = 72,131,510,159,444,624/309,824,100.41
6. Step 6: Final answer
   x = 232,814,393.93