Finding the Fourth Proportional to 95,406.85, 142,977.86 and 42,018.76

Step by Step Solution

1. Step 1: Write the proportion equation
   95,406.85 : 142,977.86 = 42,018.76 : x
2. Step 2: Convert to fraction form
   95,406.85/142,977.86 = 42,018.76/x
3. Step 3: Cross multiply
   95,406.85x = 142,977.86 × 42,018.76
4. Step 4: Simplify right side
   95,406.85x = 6,007,752,711.92
5. Step 5: Solve for x
   x = 6,007,752,711.92/95,406.85
6. Step 6: Final answer
   x = 62,969.83