Finding the Fourth Proportional to 83,176.76, 114,751.38 and 51,290.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,176.76 : 114,751.38 = 51,290.30 : x
2. Step 2: Convert to fraction form
   83,176.76/114,751.38 = 51,290.30/x
3. Step 3: Cross multiply
   83,176.76x = 114,751.38 × 51,290.30
4. Step 4: Simplify right side
   83,176.76x = 5,885,632,705.61
5. Step 5: Solve for x
   x = 5,885,632,705.61/83,176.76
6. Step 6: Final answer
   x = 70,760.54