Finding the Fourth Proportional to 45,019.55, 67,536.62 and 13,854.80

Step by Step Solution

1. Step 1: Write the proportion equation
   45,019.55 : 67,536.62 = 13,854.80 : x
2. Step 2: Convert to fraction form
   45,019.55/67,536.62 = 13,854.80/x
3. Step 3: Cross multiply
   45,019.55x = 67,536.62 × 13,854.80
4. Step 4: Simplify right side
   45,019.55x = 935,705,955.82
5. Step 5: Solve for x
   x = 935,705,955.82/45,019.55
6. Step 6: Final answer
   x = 20,784.44