Finding the Fourth Proportional to 139,519,328.73, 192,535,145.73 and 76,794,085.61

Step by Step Solution

1. Step 1: Write the proportion equation
   139,519,328.73 : 192,535,145.73 = 76,794,085.61 : x
2. Step 2: Convert to fraction form
   139,519,328.73/192,535,145.73 = 76,794,085.61/x
3. Step 3: Cross multiply
   139,519,328.73x = 192,535,145.73 × 76,794,085.61
4. Step 4: Simplify right side
   139,519,328.73x = 14,785,560,464,123,446
5. Step 5: Solve for x
   x = 14,785,560,464,123,446/139,519,328.73
6. Step 6: Final answer
   x = 105,974,997.15