Finding the Fourth Proportional to 12,308.61, 18,468.93 and 7,627.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.61 : 18,468.93 = 7,627.36 : x
2. Step 2: Convert to fraction form
   12,308.61/18,468.93 = 7,627.36/x
3. Step 3: Cross multiply
   12,308.61x = 18,468.93 × 7,627.36
4. Step 4: Simplify right side
   12,308.61x = 140,869,243.17
5. Step 5: Solve for x
   x = 140,869,243.17/12,308.61
6. Step 6: Final answer
   x = 11,444.78