Finding the Fourth Proportional to 42,737.37, 64,108.79 and 16,442.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,737.37 : 64,108.79 = 16,442.12 : x
2. Step 2: Convert to fraction form
   42,737.37/64,108.79 = 16,442.12/x
3. Step 3: Cross multiply
   42,737.37x = 64,108.79 × 16,442.12
4. Step 4: Simplify right side
   42,737.37x = 1,054,084,097.69
5. Step 5: Solve for x
   x = 1,054,084,097.69/42,737.37
6. Step 6: Final answer
   x = 24,664.22