Finding the Fourth Proportional to 23,451.34, 32,362.53 and 12,840.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,451.34 : 32,362.53 = 12,840.98 : x
2. Step 2: Convert to fraction form
   23,451.34/32,362.53 = 12,840.98/x
3. Step 3: Cross multiply
   23,451.34x = 32,362.53 × 12,840.98
4. Step 4: Simplify right side
   23,451.34x = 415,566,426.63
5. Step 5: Solve for x
   x = 415,566,426.63/23,451.34
6. Step 6: Final answer
   x = 17,720.37