Finding the Fourth Proportional to 41,300.82, 61,920.86 and 13,204.76

Step by Step Solution

1. Step 1: Write the proportion equation
   41,300.82 : 61,920.86 = 13,204.76 : x
2. Step 2: Convert to fraction form
   41,300.82/61,920.86 = 13,204.76/x
3. Step 3: Cross multiply
   41,300.82x = 61,920.86 × 13,204.76
4. Step 4: Simplify right side
   41,300.82x = 817,649,719.67
5. Step 5: Solve for x
   x = 817,649,719.67/41,300.82
6. Step 6: Final answer
   x = 19,797.42