Finding the Fourth Proportional to 9,433.76, 14,152.72 and 3,590.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,433.76 : 14,152.72 = 3,590.40 : x
2. Step 2: Convert to fraction form
   9,433.76/14,152.72 = 3,590.40/x
3. Step 3: Cross multiply
   9,433.76x = 14,152.72 × 3,590.40
4. Step 4: Simplify right side
   9,433.76x = 50,813,925.89
5. Step 5: Solve for x
   x = 50,813,925.89/9,433.76
6. Step 6: Final answer
   x = 5,386.39