Finding the Fourth Proportional to 309,824,104.42, 427,564,931.22 and 168,703,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   309,824,104.42 : 427,564,931.22 = 168,703,061.32 : x
2. Step 2: Convert to fraction form
   309,824,104.42/427,564,931.22 = 168,703,061.32/x
3. Step 3: Cross multiply
   309,824,104.42x = 427,564,931.22 × 168,703,061.32
4. Step 4: Simplify right side
   309,824,104.42x = 72,131,512,809,889,248
5. Step 5: Solve for x
   x = 72,131,512,809,889,248/309,824,104.42
6. Step 6: Final answer
   x = 232,814,399.46