Finding the Fourth Proportional to 10,012.26, 13,820.20 and 7,028.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.26 : 13,820.20 = 7,028.83 : x
2. Step 2: Convert to fraction form
   10,012.26/13,820.20 = 7,028.83/x
3. Step 3: Cross multiply
   10,012.26x = 13,820.20 × 7,028.83
4. Step 4: Simplify right side
   10,012.26x = 97,139,836.37
5. Step 5: Solve for x
   x = 97,139,836.37/10,012.26
6. Step 6: Final answer
   x = 9,702.09