Finding the Fourth Proportional to 28,843.58, 43,263.32 and 7,784.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,843.58 : 43,263.32 = 7,784.82 : x
2. Step 2: Convert to fraction form
   28,843.58/43,263.32 = 7,784.82/x
3. Step 3: Cross multiply
   28,843.58x = 43,263.32 × 7,784.82
4. Step 4: Simplify right side
   28,843.58x = 336,797,105.88
5. Step 5: Solve for x
   x = 336,797,105.88/28,843.58
6. Step 6: Final answer
   x = 11,676.68