Finding the Fourth Proportional to 9,106.52, 12,567.90 and 5,329.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106.52 : 12,567.90 = 5,329.46 : x
2. Step 2: Convert to fraction form
   9,106.52/12,567.90 = 5,329.46/x
3. Step 3: Cross multiply
   9,106.52x = 12,567.90 × 5,329.46
4. Step 4: Simplify right side
   9,106.52x = 66,980,195.30
5. Step 5: Solve for x
   x = 66,980,195.30/9,106.52
6. Step 6: Final answer
   x = 7,355.19