Finding the Fourth Proportional to 13,519.32, 18,656.56 and 7,469.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,519.32 : 18,656.56 = 7,469.93 : x
2. Step 2: Convert to fraction form
   13,519.32/18,656.56 = 7,469.93/x
3. Step 3: Cross multiply
   13,519.32x = 18,656.56 × 7,469.93
4. Step 4: Simplify right side
   13,519.32x = 139,363,253.22
5. Step 5: Solve for x
   x = 139,363,253.22/13,519.32
6. Step 6: Final answer
   x = 10,308.45