Finding the Fourth Proportional to 57,821.88, 79,807.53 and 37,643.63

Step by Step Solution

1. Step 1: Write the proportion equation
   57,821.88 : 79,807.53 = 37,643.63 : x
2. Step 2: Convert to fraction form
   57,821.88/79,807.53 = 37,643.63/x
3. Step 3: Cross multiply
   57,821.88x = 79,807.53 × 37,643.63
4. Step 4: Simplify right side
   57,821.88x = 3,004,244,731.50
5. Step 5: Solve for x
   x = 3,004,244,731.50/57,821.88
6. Step 6: Final answer
   x = 51,956.88