Finding the Fourth Proportional to 9,340.95, 12,889.89 and 5,564.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,340.95 : 12,889.89 = 5,564.37 : x
2. Step 2: Convert to fraction form
   9,340.95/12,889.89 = 5,564.37/x
3. Step 3: Cross multiply
   9,340.95x = 12,889.89 × 5,564.37
4. Step 4: Simplify right side
   9,340.95x = 71,724,117.22
5. Step 5: Solve for x
   x = 71,724,117.22/9,340.95
6. Step 6: Final answer
   x = 7,678.46