Finding the Fourth Proportional to 4,978.36, 7,468.38 and 2,381.24

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.36 : 7,468.38 = 2,381.24 : x
2. Step 2: Convert to fraction form
   4,978.36/7,468.38 = 2,381.24/x
3. Step 3: Cross multiply
   4,978.36x = 7,468.38 × 2,381.24
4. Step 4: Simplify right side
   4,978.36x = 17,784,005.19
5. Step 5: Solve for x
   x = 17,784,005.19/4,978.36
6. Step 6: Final answer
   x = 3,572.26