Finding the Fourth Proportional to 45,004.17, 67,513.56 and 13,839.42

Step by Step Solution

1. Step 1: Write the proportion equation
   45,004.17 : 67,513.56 = 13,839.42 : x
2. Step 2: Convert to fraction form
   45,004.17/67,513.56 = 13,839.42/x
3. Step 3: Cross multiply
   45,004.17x = 67,513.56 × 13,839.42
4. Step 4: Simplify right side
   45,004.17x = 934,348,512.54
5. Step 5: Solve for x
   x = 934,348,512.54/45,004.17
6. Step 6: Final answer
   x = 20,761.38