Finding the Fourth Proportional to 83,168.76, 114,740.34 and 51,282.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,168.76 : 114,740.34 = 51,282.30 : x
2. Step 2: Convert to fraction form
   83,168.76/114,740.34 = 51,282.30/x
3. Step 3: Cross multiply
   83,168.76x = 114,740.34 × 51,282.30
4. Step 4: Simplify right side
   83,168.76x = 5,884,148,537.98
5. Step 5: Solve for x
   x = 5,884,148,537.98/83,168.76
6. Step 6: Final answer
   x = 70,749.50