Finding the Fourth Proportional to 45,116.48, 67,656.72 and 13,943.36

Step by Step Solution

1. Step 1: Write the proportion equation
   45,116.48 : 67,656.72 = 13,943.36 : x
2. Step 2: Convert to fraction form
   45,116.48/67,656.72 = 13,943.36/x
3. Step 3: Cross multiply
   45,116.48x = 67,656.72 × 13,943.36
4. Step 4: Simplify right side
   45,116.48x = 943,362,003.38
5. Step 5: Solve for x
   x = 943,362,003.38/45,116.48
6. Step 6: Final answer
   x = 20,909.48