Finding the Fourth Proportional to 9,860.23, 13,607.33 and 5,384.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860.23 : 13,607.33 = 5,384.17 : x
2. Step 2: Convert to fraction form
   9,860.23/13,607.33 = 5,384.17/x
3. Step 3: Cross multiply
   9,860.23x = 13,607.33 × 5,384.17
4. Step 4: Simplify right side
   9,860.23x = 73,264,168.05
5. Step 5: Solve for x
   x = 73,264,168.05/9,860.23
6. Step 6: Final answer
   x = 7,430.27