Finding the Fourth Proportional to 7,923.93, 10,930.23 and 5,090.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,923.93 : 10,930.23 = 5,090.34 : x
2. Step 2: Convert to fraction form
   7,923.93/10,930.23 = 5,090.34/x
3. Step 3: Cross multiply
   7,923.93x = 10,930.23 × 5,090.34
4. Step 4: Simplify right side
   7,923.93x = 55,638,586.98
5. Step 5: Solve for x
   x = 55,638,586.98/7,923.93
6. Step 6: Final answer
   x = 7,021.59