Finding the Fourth Proportional to 23,987,587.72, 33,103,653.42 and 13,122,571.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,987,587.72 : 33,103,653.42 = 13,122,571.72 : x
2. Step 2: Convert to fraction form
   23,987,587.72/33,103,653.42 = 13,122,571.72/x
3. Step 3: Cross multiply
   23,987,587.72x = 33,103,653.42 × 13,122,571.72
4. Step 4: Simplify right side
   23,987,587.72x = 434,405,066,197,973.31
5. Step 5: Solve for x
   x = 434,405,066,197,973.31/23,987,587.72
6. Step 6: Final answer
   x = 18,109,576.97