Finding the Fourth Proportional to 23,628.95, 32,607.96 and 13,018.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,628.95 : 32,607.96 = 13,018.81 : x
2. Step 2: Convert to fraction form
   23,628.95/32,607.96 = 13,018.81/x
3. Step 3: Cross multiply
   23,628.95x = 32,607.96 × 13,018.81
4. Step 4: Simplify right side
   23,628.95x = 424,516,835.73
5. Step 5: Solve for x
   x = 424,516,835.73/23,628.95
6. Step 6: Final answer
   x = 17,965.96