Finding the Fourth Proportional to 42,755.56, 64,153.82 and 15,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,755.56 : 64,153.82 = 15,066.60 : x
2. Step 2: Convert to fraction form
   42,755.56/64,153.82 = 15,066.60/x
3. Step 3: Cross multiply
   42,755.56x = 64,153.82 × 15,066.60
4. Step 4: Simplify right side
   42,755.56x = 966,579,944.41
5. Step 5: Solve for x
   x = 966,579,944.41/42,755.56
6. Step 6: Final answer
   x = 22,607.12