Finding the Fourth Proportional to 9,418.06, 14,126.64 and 3,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,418.06 : 14,126.64 = 3,870.04 : x
2. Step 2: Convert to fraction form
   9,418.06/14,126.64 = 3,870.04/x
3. Step 3: Cross multiply
   9,418.06x = 14,126.64 × 3,870.04
4. Step 4: Simplify right side
   9,418.06x = 54,670,661.87
5. Step 5: Solve for x
   x = 54,670,661.87/9,418.06
6. Step 6: Final answer
   x = 5,804.88