Finding the Fourth Proportional to 9,051.35, 12,491.00 and 5,274.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.35 : 12,491.00 = 5,274.41 : x
2. Step 2: Convert to fraction form
   9,051.35/12,491.00 = 5,274.41/x
3. Step 3: Cross multiply
   9,051.35x = 12,491.00 × 5,274.41
4. Step 4: Simplify right side
   9,051.35x = 65,882,660.17
5. Step 5: Solve for x
   x = 65,882,660.17/9,051.35
6. Step 6: Final answer
   x = 7,278.77