Finding the Fourth Proportional to 14,498.77, 21,784.61 and 9,236.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,498.77 : 21,784.61 = 9,236.15 : x
2. Step 2: Convert to fraction form
   14,498.77/21,784.61 = 9,236.15/x
3. Step 3: Cross multiply
   14,498.77x = 21,784.61 × 9,236.15
4. Step 4: Simplify right side
   14,498.77x = 201,205,770.55
5. Step 5: Solve for x
   x = 201,205,770.55/14,498.77
6. Step 6: Final answer
   x = 13,877.44