Finding the Fourth Proportional to 42,677.48, 64,024.46 and 16,380.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,677.48 : 64,024.46 = 16,380.17 : x
2. Step 2: Convert to fraction form
   42,677.48/64,024.46 = 16,380.17/x
3. Step 3: Cross multiply
   42,677.48x = 64,024.46 × 16,380.17
4. Step 4: Simplify right side
   42,677.48x = 1,048,731,867.69
5. Step 5: Solve for x
   x = 1,048,731,867.69/42,677.48
6. Step 6: Final answer
   x = 24,573.42