Finding the Fourth Proportional to 23,813.60, 32,856.72 and 14,860.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,813.60 : 32,856.72 = 14,860.40 : x
2. Step 2: Convert to fraction form
   23,813.60/32,856.72 = 14,860.40/x
3. Step 3: Cross multiply
   23,813.60x = 32,856.72 × 14,860.40
4. Step 4: Simplify right side
   23,813.60x = 488,264,001.89
5. Step 5: Solve for x
   x = 488,264,001.89/23,813.60
6. Step 6: Final answer
   x = 20,503.58