Finding the Fourth Proportional to 57,598.72, 79,523.01 and 54,802.09

Step by Step Solution

1. Step 1: Write the proportion equation
   57,598.72 : 79,523.01 = 54,802.09 : x
2. Step 2: Convert to fraction form
   57,598.72/79,523.01 = 54,802.09/x
3. Step 3: Cross multiply
   57,598.72x = 79,523.01 × 54,802.09
4. Step 4: Simplify right side
   57,598.72x = 4,358,027,151.09
5. Step 5: Solve for x
   x = 4,358,027,151.09/57,598.72
6. Step 6: Final answer
   x = 75,661.87