Finding the Fourth Proportional to 42,777.94, 64,175.94 and 16,123.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777.94 : 64,175.94 = 16,123.36 : x
2. Step 2: Convert to fraction form
   42,777.94/64,175.94 = 16,123.36/x
3. Step 3: Cross multiply
   42,777.94x = 64,175.94 × 16,123.36
4. Step 4: Simplify right side
   42,777.94x = 1,034,731,783.96
5. Step 5: Solve for x
   x = 1,034,731,783.96/42,777.94
6. Step 6: Final answer
   x = 24,188.44