Finding the Fourth Proportional to 9,050.52, 12,489.12 and 5,071.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.52 : 12,489.12 = 5,071.62 : x
2. Step 2: Convert to fraction form
   9,050.52/12,489.12 = 5,071.62/x
3. Step 3: Cross multiply
   9,050.52x = 12,489.12 × 5,071.62
4. Step 4: Simplify right side
   9,050.52x = 63,340,070.77
5. Step 5: Solve for x
   x = 63,340,070.77/9,050.52
6. Step 6: Final answer
   x = 6,998.50