Finding the Fourth Proportional to 71,795.62, 99,108.59 and 51,112.45

Step by Step Solution

1. Step 1: Write the proportion equation
   71,795.62 : 99,108.59 = 51,112.45 : x
2. Step 2: Convert to fraction form
   71,795.62/99,108.59 = 51,112.45/x
3. Step 3: Cross multiply
   71,795.62x = 99,108.59 × 51,112.45
4. Step 4: Simplify right side
   71,795.62x = 5,065,682,347.61
5. Step 5: Solve for x
   x = 5,065,682,347.61/71,795.62
6. Step 6: Final answer
   x = 70,556.99