Finding the Fourth Proportional to 13,432.77, 18,536.72 and 7,464.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,432.77 : 18,536.72 = 7,464.15 : x
2. Step 2: Convert to fraction form
   13,432.77/18,536.72 = 7,464.15/x
3. Step 3: Cross multiply
   13,432.77x = 18,536.72 × 7,464.15
4. Step 4: Simplify right side
   13,432.77x = 138,360,821.27
5. Step 5: Solve for x
   x = 138,360,821.27/13,432.77
6. Step 6: Final answer
   x = 10,300.24