Finding the Fourth Proportional to 23,870.21, 32,938.38 and 13,797.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.21 : 32,938.38 = 13,797.86 : x
2. Step 2: Convert to fraction form
   23,870.21/32,938.38 = 13,797.86/x
3. Step 3: Cross multiply
   23,870.21x = 32,938.38 × 13,797.86
4. Step 4: Simplify right side
   23,870.21x = 454,478,991.17
5. Step 5: Solve for x
   x = 454,478,991.17/23,870.21
6. Step 6: Final answer
   x = 19,039.59