Finding the Fourth Proportional to 23,859.74, 32,931.27 and 13,788.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,859.74 : 32,931.27 = 13,788.60 : x
2. Step 2: Convert to fraction form
   23,859.74/32,931.27 = 13,788.60/x
3. Step 3: Cross multiply
   23,859.74x = 32,931.27 × 13,788.60
4. Step 4: Simplify right side
   23,859.74x = 454,076,109.52
5. Step 5: Solve for x
   x = 454,076,109.52/23,859.74
6. Step 6: Final answer
   x = 19,031.06