Finding the Fourth Proportional to 9,503.69, 14,256.61 and 2,931.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,503.69 : 14,256.61 = 2,931.53 : x
2. Step 2: Convert to fraction form
   9,503.69/14,256.61 = 2,931.53/x
3. Step 3: Cross multiply
   9,503.69x = 14,256.61 × 2,931.53
4. Step 4: Simplify right side
   9,503.69x = 41,793,601.30
5. Step 5: Solve for x
   x = 41,793,601.30/9,503.69
6. Step 6: Final answer
   x = 4,397.62