Finding the Fourth Proportional to 13,301.02, 18,353.68 and 7,636.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.02 : 18,353.68 = 7,636.01 : x
2. Step 2: Convert to fraction form
   13,301.02/18,353.68 = 7,636.01/x
3. Step 3: Cross multiply
   13,301.02x = 18,353.68 × 7,636.01
4. Step 4: Simplify right side
   13,301.02x = 140,148,910.81
5. Step 5: Solve for x
   x = 140,148,910.81/13,301.02
6. Step 6: Final answer
   x = 10,536.71