Finding the Fourth Proportional to 9,340.59, 14,003.91 and 5,641.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,340.59 : 14,003.91 = 5,641.98 : x
2. Step 2: Convert to fraction form
   9,340.59/14,003.91 = 5,641.98/x
3. Step 3: Cross multiply
   9,340.59x = 14,003.91 × 5,641.98
4. Step 4: Simplify right side
   9,340.59x = 79,009,780.14
5. Step 5: Solve for x
   x = 79,009,780.14/9,340.59
6. Step 6: Final answer
   x = 8,458.76