Finding the Fourth Proportional to 23,105.64, 34,491.33 and 20,303.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.64 : 34,491.33 = 20,303.13 : x
2. Step 2: Convert to fraction form
   23,105.64/34,491.33 = 20,303.13/x
3. Step 3: Cross multiply
   23,105.64x = 34,491.33 × 20,303.13
4. Step 4: Simplify right side
   23,105.64x = 700,281,956.86
5. Step 5: Solve for x
   x = 700,281,956.86/23,105.64
6. Step 6: Final answer
   x = 30,307.84