Finding the Fourth Proportional to 9,860.34, 13,607.59 and 5,384.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860.34 : 13,607.59 = 5,384.33 : x
2. Step 2: Convert to fraction form
   9,860.34/13,607.59 = 5,384.33/x
3. Step 3: Cross multiply
   9,860.34x = 13,607.59 × 5,384.33
4. Step 4: Simplify right side
   9,860.34x = 73,267,673.57
5. Step 5: Solve for x
   x = 73,267,673.57/9,860.34
6. Step 6: Final answer
   x = 7,430.54