Finding the Fourth Proportional to 76,913.76, 115,469.04 and 65,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,913.76 : 115,469.04 = 65,300.76 : x
2. Step 2: Convert to fraction form
   76,913.76/115,469.04 = 65,300.76/x
3. Step 3: Cross multiply
   76,913.76x = 115,469.04 × 65,300.76
4. Step 4: Simplify right side
   76,913.76x = 7,540,216,068.47
5. Step 5: Solve for x
   x = 7,540,216,068.47/76,913.76
6. Step 6: Final answer
   x = 98,034.68