Finding the Fourth Proportional to 48,377.43, 72,378.38 and 42,409.42

Step by Step Solution

1. Step 1: Write the proportion equation
   48,377.43 : 72,378.38 = 42,409.42 : x
2. Step 2: Convert to fraction form
   48,377.43/72,378.38 = 42,409.42/x
3. Step 3: Cross multiply
   48,377.43x = 72,378.38 × 42,409.42
4. Step 4: Simplify right side
   48,377.43x = 3,069,524,802.86
5. Step 5: Solve for x
   x = 3,069,524,802.86/48,377.43
6. Step 6: Final answer
   x = 63,449.52