Finding the Fourth Proportional to 57,744.82, 79,697.47 and 56,227.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,744.82 : 79,697.47 = 56,227.06 : x
2. Step 2: Convert to fraction form
   57,744.82/79,697.47 = 56,227.06/x
3. Step 3: Cross multiply
   57,744.82x = 79,697.47 × 56,227.06
4. Step 4: Simplify right side
   57,744.82x = 4,481,154,492.02
5. Step 5: Solve for x
   x = 4,481,154,492.02/57,744.82
6. Step 6: Final answer
   x = 77,602.72