Finding the Fourth Proportional to 10,109.96, 15,167.16 and 3,090.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.96 : 15,167.16 = 3,090.56 : x
2. Step 2: Convert to fraction form
   10,109.96/15,167.16 = 3,090.56/x
3. Step 3: Cross multiply
   10,109.96x = 15,167.16 × 3,090.56
4. Step 4: Simplify right side
   10,109.96x = 46,875,018.01
5. Step 5: Solve for x
   x = 46,875,018.01/10,109.96
6. Step 6: Final answer
   x = 4,636.52