Finding the Fourth Proportional to 60,380.82, 83,296.58 and 42,485.70

Step by Step Solution

1. Step 1: Write the proportion equation
   60,380.82 : 83,296.58 = 42,485.70 : x
2. Step 2: Convert to fraction form
   60,380.82/83,296.58 = 42,485.70/x
3. Step 3: Cross multiply
   60,380.82x = 83,296.58 × 42,485.70
4. Step 4: Simplify right side
   60,380.82x = 3,538,913,508.91
5. Step 5: Solve for x
   x = 3,538,913,508.91/60,380.82
6. Step 6: Final answer
   x = 58,609.89