Finding the Fourth Proportional to 10,061.10, 15,090.98 and 2,665.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.10 : 15,090.98 = 2,665.40 : x
2. Step 2: Convert to fraction form
   10,061.10/15,090.98 = 2,665.40/x
3. Step 3: Cross multiply
   10,061.10x = 15,090.98 × 2,665.40
4. Step 4: Simplify right side
   10,061.10x = 40,223,409.31
5. Step 5: Solve for x
   x = 40,223,409.31/10,061.10
6. Step 6: Final answer
   x = 3,997.91