Finding the Fourth Proportional to 76,921.42, 106,142.52 and 44,648.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,921.42 : 106,142.52 = 44,648.59 : x
2. Step 2: Convert to fraction form
   76,921.42/106,142.52 = 44,648.59/x
3. Step 3: Cross multiply
   76,921.42x = 106,142.52 × 44,648.59
4. Step 4: Simplify right side
   76,921.42x = 4,739,113,857.05
5. Step 5: Solve for x
   x = 4,739,113,857.05/76,921.42
6. Step 6: Final answer
   x = 61,609.81