Finding the Fourth Proportional to 67,977.20, 93,770.52 and 42,782.96

Step by Step Solution

1. Step 1: Write the proportion equation
   67,977.20 : 93,770.52 = 42,782.96 : x
2. Step 2: Convert to fraction form
   67,977.20/93,770.52 = 42,782.96/x
3. Step 3: Cross multiply
   67,977.20x = 93,770.52 × 42,782.96
4. Step 4: Simplify right side
   67,977.20x = 4,011,780,406.34
5. Step 5: Solve for x
   x = 4,011,780,406.34/67,977.20
6. Step 6: Final answer
   x = 59,016.56