Finding the Fourth Proportional to 23,763.60, 32,791.32 and 13,690.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,763.60 : 32,791.32 = 13,690.05 : x
2. Step 2: Convert to fraction form
   23,763.60/32,791.32 = 13,690.05/x
3. Step 3: Cross multiply
   23,763.60x = 32,791.32 × 13,690.05
4. Step 4: Simplify right side
   23,763.60x = 448,914,810.37
5. Step 5: Solve for x
   x = 448,914,810.37/23,763.60
6. Step 6: Final answer
   x = 18,890.86