Finding the Fourth Proportional to 23,810.74, 32,860.15 and 13,200.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,810.74 : 32,860.15 = 13,200.14 : x
2. Step 2: Convert to fraction form
   23,810.74/32,860.15 = 13,200.14/x
3. Step 3: Cross multiply
   23,810.74x = 32,860.15 × 13,200.14
4. Step 4: Simplify right side
   23,810.74x = 433,758,629.57
5. Step 5: Solve for x
   x = 433,758,629.57/23,810.74
6. Step 6: Final answer
   x = 18,216.93