Finding the Fourth Proportional to 139,245,173.08, 192,163,524.78 and 83,499,669.38

Step by Step Solution

1. Step 1: Write the proportion equation
   139,245,173.08 : 192,163,524.78 = 83,499,669.38 : x
2. Step 2: Convert to fraction form
   139,245,173.08/192,163,524.78 = 83,499,669.38/x
3. Step 3: Cross multiply
   139,245,173.08x = 192,163,524.78 × 83,499,669.38
4. Step 4: Simplify right side
   139,245,173.08x = 16,045,590,786,025,436
5. Step 5: Solve for x
   x = 16,045,590,786,025,436/139,245,173.08
6. Step 6: Final answer
   x = 115,232,653.54