Finding the Fourth Proportional to 9,346.07, 12,894.72 and 5,312.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,346.07 : 12,894.72 = 5,312.59 : x
2. Step 2: Convert to fraction form
   9,346.07/12,894.72 = 5,312.59/x
3. Step 3: Cross multiply
   9,346.07x = 12,894.72 × 5,312.59
4. Step 4: Simplify right side
   9,346.07x = 68,504,328.29
5. Step 5: Solve for x
   x = 68,504,328.29/9,346.07
6. Step 6: Final answer
   x = 7,329.75