Finding the Fourth Proportional to 23,477.55, 35,191.71 and 10,987.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,477.55 : 35,191.71 = 10,987.02 : x
2. Step 2: Convert to fraction form
   23,477.55/35,191.71 = 10,987.02/x
3. Step 3: Cross multiply
   23,477.55x = 35,191.71 × 10,987.02
4. Step 4: Simplify right side
   23,477.55x = 386,652,021.60
5. Step 5: Solve for x
   x = 386,652,021.60/23,477.55
6. Step 6: Final answer
   x = 16,469.01