Finding the Fourth Proportional to 7,309.98, 10,092.38 and 5,628.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.98 : 10,092.38 = 5,628.22 : x
2. Step 2: Convert to fraction form
   7,309.98/10,092.38 = 5,628.22/x
3. Step 3: Cross multiply
   7,309.98x = 10,092.38 × 5,628.22
4. Step 4: Simplify right side
   7,309.98x = 56,802,081.59
5. Step 5: Solve for x
   x = 56,802,081.59/7,309.98
6. Step 6: Final answer
   x = 7,770.48