Finding the Fourth Proportional to 12,152.84, 18,214.93 and 5,481.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,152.84 : 18,214.93 = 5,481.53 : x
2. Step 2: Convert to fraction form
   12,152.84/18,214.93 = 5,481.53/x
3. Step 3: Cross multiply
   12,152.84x = 18,214.93 × 5,481.53
4. Step 4: Simplify right side
   12,152.84x = 99,845,669.33
5. Step 5: Solve for x
   x = 99,845,669.33/12,152.84
6. Step 6: Final answer
   x = 8,215.83