Finding the Fourth Proportional to 9,084.66, 12,534.93 and 5,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.66 : 12,534.93 = 5,356.50 : x
2. Step 2: Convert to fraction form
   9,084.66/12,534.93 = 5,356.50/x
3. Step 3: Cross multiply
   9,084.66x = 12,534.93 × 5,356.50
4. Step 4: Simplify right side
   9,084.66x = 67,143,352.55
5. Step 5: Solve for x
   x = 67,143,352.55/9,084.66
6. Step 6: Final answer
   x = 7,390.85