Finding the Fourth Proportional to 23,642.72, 35,442.12 and 10,487.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,642.72 : 35,442.12 = 10,487.84 : x
2. Step 2: Convert to fraction form
   23,642.72/35,442.12 = 10,487.84/x
3. Step 3: Cross multiply
   23,642.72x = 35,442.12 × 10,487.84
4. Step 4: Simplify right side
   23,642.72x = 371,711,283.82
5. Step 5: Solve for x
   x = 371,711,283.82/23,642.72
6. Step 6: Final answer
   x = 15,722.02