Finding the Fourth Proportional to 10,665.42, 15,997.05 and 2,875.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.42 : 15,997.05 = 2,875.02 : x
2. Step 2: Convert to fraction form
   10,665.42/15,997.05 = 2,875.02/x
3. Step 3: Cross multiply
   10,665.42x = 15,997.05 × 2,875.02
4. Step 4: Simplify right side
   10,665.42x = 45,991,838.69
5. Step 5: Solve for x
   x = 45,991,838.69/10,665.42
6. Step 6: Final answer
   x = 4,312.24