Finding the Fourth Proportional to 9,300.87, 13,951.37 and 3,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.87 : 13,951.37 = 3,061.30 : x
2. Step 2: Convert to fraction form
   9,300.87/13,951.37 = 3,061.30/x
3. Step 3: Cross multiply
   9,300.87x = 13,951.37 × 3,061.30
4. Step 4: Simplify right side
   9,300.87x = 42,709,328.98
5. Step 5: Solve for x
   x = 42,709,328.98/9,300.87
6. Step 6: Final answer
   x = 4,591.97