Finding the Fourth Proportional to 10,090.05, 15,123.46 and 5,021.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,090.05 : 15,123.46 = 5,021.68 : x
2. Step 2: Convert to fraction form
   10,090.05/15,123.46 = 5,021.68/x
3. Step 3: Cross multiply
   10,090.05x = 15,123.46 × 5,021.68
4. Step 4: Simplify right side
   10,090.05x = 75,945,164.02
5. Step 5: Solve for x
   x = 75,945,164.02/10,090.05
6. Step 6: Final answer
   x = 7,526.74