Finding the Fourth Proportional to 76,022.34, 104,902.79 and 42,025.35

Step by Step Solution

1. Step 1: Write the proportion equation
   76,022.34 : 104,902.79 = 42,025.35 : x
2. Step 2: Convert to fraction form
   76,022.34/104,902.79 = 42,025.35/x
3. Step 3: Cross multiply
   76,022.34x = 104,902.79 × 42,025.35
4. Step 4: Simplify right side
   76,022.34x = 4,408,576,465.73
5. Step 5: Solve for x
   x = 4,408,576,465.73/76,022.34
6. Step 6: Final answer
   x = 57,990.54