Finding the Fourth Proportional to 76,978.62, 115,467.84 and 41,844.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,978.62 : 115,467.84 = 41,844.42 : x
2. Step 2: Convert to fraction form
   76,978.62/115,467.84 = 41,844.42/x
3. Step 3: Cross multiply
   76,978.62x = 115,467.84 × 41,844.42
4. Step 4: Simplify right side
   76,978.62x = 4,831,684,793.45
5. Step 5: Solve for x
   x = 4,831,684,793.45/76,978.62
6. Step 6: Final answer
   x = 62,766.58