Finding the Fourth Proportional to 23,218.50, 32,041.61 and 12,607.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,218.50 : 32,041.61 = 12,607.91 : x
2. Step 2: Convert to fraction form
   23,218.50/32,041.61 = 12,607.91/x
3. Step 3: Cross multiply
   23,218.50x = 32,041.61 × 12,607.91
4. Step 4: Simplify right side
   23,218.50x = 403,977,735.14
5. Step 5: Solve for x
   x = 403,977,735.14/23,218.50
6. Step 6: Final answer
   x = 17,398.96