Finding the Fourth Proportional to 16,818, 25,236.72 and 7,584

Step by Step Solution

1. Step 1: Write the proportion equation
   16,818 : 25,236.72 = 7,584 : x
2. Step 2: Convert to fraction form
   16,818/25,236.72 = 7,584/x
3. Step 3: Cross multiply
   16,818x = 25,236.72 × 7,584
4. Step 4: Simplify right side
   16,818x = 191,395,284.48
5. Step 5: Solve for x
   x = 191,395,284.48/16,818
6. Step 6: Final answer
   x = 11,380.38