Finding the Fourth Proportional to 9,291.98, 13,944.72 and 5,787.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,291.98 : 13,944.72 = 5,787.08 : x
2. Step 2: Convert to fraction form
   9,291.98/13,944.72 = 5,787.08/x
3. Step 3: Cross multiply
   9,291.98x = 13,944.72 × 5,787.08
4. Step 4: Simplify right side
   9,291.98x = 80,699,210.22
5. Step 5: Solve for x
   x = 80,699,210.22/9,291.98
6. Step 6: Final answer
   x = 8,684.82