Finding the Fourth Proportional to 23,892.58, 32,969.73 and 13,136.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,892.58 : 32,969.73 = 13,136.87 : x
2. Step 2: Convert to fraction form
   23,892.58/32,969.73 = 13,136.87/x
3. Step 3: Cross multiply
   23,892.58x = 32,969.73 × 13,136.87
4. Step 4: Simplify right side
   23,892.58x = 433,119,056.95
5. Step 5: Solve for x
   x = 433,119,056.95/23,892.58
6. Step 6: Final answer
   x = 18,127.76