Finding the Fourth Proportional to 13,582.29, 18,742.78 and 7,917.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,582.29 : 18,742.78 = 7,917.96 : x
2. Step 2: Convert to fraction form
   13,582.29/18,742.78 = 7,917.96/x
3. Step 3: Cross multiply
   13,582.29x = 18,742.78 × 7,917.96
4. Step 4: Simplify right side
   13,582.29x = 148,404,459.83
5. Step 5: Solve for x
   x = 148,404,459.83/13,582.29
6. Step 6: Final answer
   x = 10,926.32