Finding the Fourth Proportional to 23,685.60, 32,685.69 and 13,075.01

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.60 : 32,685.69 = 13,075.01 : x
2. Step 2: Convert to fraction form
   23,685.60/32,685.69 = 13,075.01/x
3. Step 3: Cross multiply
   23,685.60x = 32,685.69 × 13,075.01
4. Step 4: Simplify right side
   23,685.60x = 427,365,723.61
5. Step 5: Solve for x
   x = 427,365,723.61/23,685.60
6. Step 6: Final answer
   x = 18,043.27