Finding the Fourth Proportional to 76,796.91, 114,862.46 and 45,131.58

Step by Step Solution

1. Step 1: Write the proportion equation
   76,796.91 : 114,862.46 = 45,131.58 : x
2. Step 2: Convert to fraction form
   76,796.91/114,862.46 = 45,131.58/x
3. Step 3: Cross multiply
   76,796.91x = 114,862.46 × 45,131.58
4. Step 4: Simplify right side
   76,796.91x = 5,183,924,076.83
5. Step 5: Solve for x
   x = 5,183,924,076.83/76,796.91
6. Step 6: Final answer
   x = 67,501.73