Finding the Fourth Proportional to 23,381.50, 35,086.22 and 8,591.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,381.50 : 35,086.22 = 8,591.91 : x
2. Step 2: Convert to fraction form
   23,381.50/35,086.22 = 8,591.91/x
3. Step 3: Cross multiply
   23,381.50x = 35,086.22 × 8,591.91
4. Step 4: Simplify right side
   23,381.50x = 301,457,513.81
5. Step 5: Solve for x
   x = 301,457,513.81/23,381.50
6. Step 6: Final answer
   x = 12,893.00