Finding the Fourth Proportional to 57,820.63, 79,805.81 and 37,642.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,820.63 : 79,805.81 = 37,642.38 : x
2. Step 2: Convert to fraction form
   57,820.63/79,805.81 = 37,642.38/x
3. Step 3: Cross multiply
   57,820.63x = 79,805.81 × 37,642.38
4. Step 4: Simplify right side
   57,820.63x = 3,004,080,038.99
5. Step 5: Solve for x
   x = 3,004,080,038.99/57,820.63
6. Step 6: Final answer
   x = 51,955.16