Finding the Fourth Proportional to 57,820.72, 79,805.90 and 37,642.44

Step by Step Solution

1. Step 1: Write the proportion equation
   57,820.72 : 79,805.90 = 37,642.44 : x
2. Step 2: Convert to fraction form
   57,820.72/79,805.90 = 37,642.44/x
3. Step 3: Cross multiply
   57,820.72x = 79,805.90 × 37,642.44
4. Step 4: Simplify right side
   57,820.72x = 3,004,088,614.18
5. Step 5: Solve for x
   x = 3,004,088,614.18/57,820.72
6. Step 6: Final answer
   x = 51,955.23