Finding the Fourth Proportional to 23,719.86, 35,568.18 and 13,861.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,719.86 : 35,568.18 = 13,861.62 : x
2. Step 2: Convert to fraction form
   23,719.86/35,568.18 = 13,861.62/x
3. Step 3: Cross multiply
   23,719.86x = 35,568.18 × 13,861.62
4. Step 4: Simplify right side
   23,719.86x = 493,032,595.25
5. Step 5: Solve for x
   x = 493,032,595.25/23,719.86
6. Step 6: Final answer
   x = 20,785.65