Finding the Fourth Proportional to 139,725,898.54, 192,822,498.81 and 80,182,453.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,725,898.54 : 192,822,498.81 = 80,182,453.62 : x
2. Step 2: Convert to fraction form
   139,725,898.54/192,822,498.81 = 80,182,453.62/x
3. Step 3: Cross multiply
   139,725,898.54x = 192,822,498.81 × 80,182,453.62
4. Step 4: Simplify right side
   139,725,898.54x = 15,460,981,067,363,790
5. Step 5: Solve for x
   x = 15,460,981,067,363,790/139,725,898.54
6. Step 6: Final answer
   x = 110,652,221.45