Finding the Fourth Proportional to 23,978.92, 33,090.93 and 13,368.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.92 : 33,090.93 = 13,368.34 : x
2. Step 2: Convert to fraction form
   23,978.92/33,090.93 = 13,368.34/x
3. Step 3: Cross multiply
   23,978.92x = 33,090.93 × 13,368.34
4. Step 4: Simplify right side
   23,978.92x = 442,370,803.16
5. Step 5: Solve for x
   x = 442,370,803.16/23,978.92
6. Step 6: Final answer
   x = 18,448.32