Finding the Fourth Proportional to 9,871.90, 14,806.72 and 3,951.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.90 : 14,806.72 = 3,951.34 : x
2. Step 2: Convert to fraction form
   9,871.90/14,806.72 = 3,951.34/x
3. Step 3: Cross multiply
   9,871.90x = 14,806.72 × 3,951.34
4. Step 4: Simplify right side
   9,871.90x = 58,506,385.00
5. Step 5: Solve for x
   x = 58,506,385.00/9,871.90
6. Step 6: Final answer
   x = 5,926.56