Finding the Fourth Proportional to 9,511.35, 14,271.27 and 5,123.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,511.35 : 14,271.27 = 5,123.71 : x
2. Step 2: Convert to fraction form
   9,511.35/14,271.27 = 5,123.71/x
3. Step 3: Cross multiply
   9,511.35x = 14,271.27 × 5,123.71
4. Step 4: Simplify right side
   9,511.35x = 73,121,848.81
5. Step 5: Solve for x
   x = 73,121,848.81/9,511.35
6. Step 6: Final answer
   x = 7,687.85