Finding the Fourth Proportional to 83,169.76, 114,741.72 and 51,283.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,169.76 : 114,741.72 = 51,283.30 : x
2. Step 2: Convert to fraction form
   83,169.76/114,741.72 = 51,283.30/x
3. Step 3: Cross multiply
   83,169.76x = 114,741.72 × 51,283.30
4. Step 4: Simplify right side
   83,169.76x = 5,884,334,049.28
5. Step 5: Solve for x
   x = 5,884,334,049.28/83,169.76
6. Step 6: Final answer
   x = 70,750.88