Finding the Fourth Proportional to 12,308.83, 18,468.92 and 7,634.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.83 : 18,468.92 = 7,634.32 : x
2. Step 2: Convert to fraction form
   12,308.83/18,468.92 = 7,634.32/x
3. Step 3: Cross multiply
   12,308.83x = 18,468.92 × 7,634.32
4. Step 4: Simplify right side
   12,308.83x = 140,997,607.16
5. Step 5: Solve for x
   x = 140,997,607.16/12,308.83
6. Step 6: Final answer
   x = 11,455.00