Finding the Fourth Proportional to 12,314.15, 18,498.57 and 7,637.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314.15 : 18,498.57 = 7,637.62 : x
2. Step 2: Convert to fraction form
   12,314.15/18,498.57 = 7,637.62/x
3. Step 3: Cross multiply
   12,314.15x = 18,498.57 × 7,637.62
4. Step 4: Simplify right side
   12,314.15x = 141,284,973.32
5. Step 5: Solve for x
   x = 141,284,973.32/12,314.15
6. Step 6: Final answer
   x = 11,473.38