Finding the Fourth Proportional to 76,884.72, 106,105.62 and 42,893.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,884.72 : 106,105.62 = 42,893.27 : x
2. Step 2: Convert to fraction form
   76,884.72/106,105.62 = 42,893.27/x
3. Step 3: Cross multiply
   76,884.72x = 106,105.62 × 42,893.27
4. Step 4: Simplify right side
   76,884.72x = 4,551,217,007.18
5. Step 5: Solve for x
   x = 4,551,217,007.18/76,884.72
6. Step 6: Final answer
   x = 59,195.34