Finding the Fourth Proportional to 45,479.82, 68,229.72 and 13,892.52

Step by Step Solution

1. Step 1: Write the proportion equation
   45,479.82 : 68,229.72 = 13,892.52 : x
2. Step 2: Convert to fraction form
   45,479.82/68,229.72 = 13,892.52/x
3. Step 3: Cross multiply
   45,479.82x = 68,229.72 × 13,892.52
4. Step 4: Simplify right side
   45,479.82x = 947,882,749.69
5. Step 5: Solve for x
   x = 947,882,749.69/45,479.82
6. Step 6: Final answer
   x = 20,841.83