Finding the Fourth Proportional to 7,018.89, 9,685.81 and 3,875.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.89 : 9,685.81 = 3,875.01 : x
2. Step 2: Convert to fraction form
   7,018.89/9,685.81 = 3,875.01/x
3. Step 3: Cross multiply
   7,018.89x = 9,685.81 × 3,875.01
4. Step 4: Simplify right side
   7,018.89x = 37,532,542.80
5. Step 5: Solve for x
   x = 37,532,542.80/7,018.89
6. Step 6: Final answer
   x = 5,347.37