Finding the Fourth Proportional to 83,039.18, 114,561 and 51,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,039.18 : 114,561 = 51,152.72 : x
2. Step 2: Convert to fraction form
   83,039.18/114,561 = 51,152.72/x
3. Step 3: Cross multiply
   83,039.18x = 114,561 × 51,152.72
4. Step 4: Simplify right side
   83,039.18x = 5,860,106,183.12
5. Step 5: Solve for x
   x = 5,860,106,183.12/83,039.18
6. Step 6: Final answer
   x = 70,570.38