Finding the Fourth Proportional to 77,871.82, 107,461.83 and 43,883.78

Step by Step Solution

1. Step 1: Write the proportion equation
   77,871.82 : 107,461.83 = 43,883.78 : x
2. Step 2: Convert to fraction form
   77,871.82/107,461.83 = 43,883.78/x
3. Step 3: Cross multiply
   77,871.82x = 107,461.83 × 43,883.78
4. Step 4: Simplify right side
   77,871.82x = 4,715,831,306.12
5. Step 5: Solve for x
   x = 4,715,831,306.12/77,871.82
6. Step 6: Final answer
   x = 60,558.89