Finding the Fourth Proportional to 13,476.66, 18,598.59 and 7,508.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,476.66 : 18,598.59 = 7,508.85 : x
2. Step 2: Convert to fraction form
   13,476.66/18,598.59 = 7,508.85/x
3. Step 3: Cross multiply
   13,476.66x = 18,598.59 × 7,508.85
4. Step 4: Simplify right side
   13,476.66x = 139,654,022.52
5. Step 5: Solve for x
   x = 139,654,022.52/13,476.66
6. Step 6: Final answer
   x = 10,362.66