Finding the Fourth Proportional to 38,715.30, 57,986.55 and 37,851.30

Step by Step Solution

1. Step 1: Write the proportion equation
   38,715.30 : 57,986.55 = 37,851.30 : x
2. Step 2: Convert to fraction form
   38,715.30/57,986.55 = 37,851.30/x
3. Step 3: Cross multiply
   38,715.30x = 57,986.55 × 37,851.30
4. Step 4: Simplify right side
   38,715.30x = 2,194,866,300.02
5. Step 5: Solve for x
   x = 2,194,866,300.02/38,715.30
6. Step 6: Final answer
   x = 56,692.48