Finding the Fourth Proportional to 9,050.16, 12,490.02 and 5,071.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.16 : 12,490.02 = 5,071.23 : x
2. Step 2: Convert to fraction form
   9,050.16/12,490.02 = 5,071.23/x
3. Step 3: Cross multiply
   9,050.16x = 12,490.02 × 5,071.23
4. Step 4: Simplify right side
   9,050.16x = 63,339,764.12
5. Step 5: Solve for x
   x = 63,339,764.12/9,050.16
6. Step 6: Final answer
   x = 6,998.75