Finding the Fourth Proportional to 139,040,622.69, 208,443,638.15 and 114,449,762.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,040,622.69 : 208,443,638.15 = 114,449,762.94 : x
2. Step 2: Convert to fraction form
   139,040,622.69/208,443,638.15 = 114,449,762.94/x
3. Step 3: Cross multiply
   139,040,622.69x = 208,443,638.15 × 114,449,762.94
4. Step 4: Simplify right side
   139,040,622.69x = 23,856,324,972,904,764
5. Step 5: Solve for x
   x = 23,856,324,972,904,764/139,040,622.69
6. Step 6: Final answer
   x = 171,578,093.59