Finding the Fourth Proportional to 139,725,900.05, 192,822,500.88 and 80,182,455.12

Step by Step Solution

1. Step 1: Write the proportion equation
   139,725,900.05 : 192,822,500.88 = 80,182,455.12 : x
2. Step 2: Convert to fraction form
   139,725,900.05/192,822,500.88 = 80,182,455.12/x
3. Step 3: Cross multiply
   139,725,900.05x = 192,822,500.88 × 80,182,455.12
4. Step 4: Simplify right side
   139,725,900.05x = 15,460,981,522,936,762
5. Step 5: Solve for x
   x = 15,460,981,522,936,762/139,725,900.05
6. Step 6: Final answer
   x = 110,652,223.52