Finding the Fourth Proportional to 35,686.05, 49,247.10 and 19,770.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,686.05 : 49,247.10 = 19,770.72 : x
2. Step 2: Convert to fraction form
   35,686.05/49,247.10 = 19,770.72/x
3. Step 3: Cross multiply
   35,686.05x = 49,247.10 × 19,770.72
4. Step 4: Simplify right side
   35,686.05x = 973,650,624.91
5. Step 5: Solve for x
   x = 973,650,624.91/35,686.05
6. Step 6: Final answer
   x = 27,283.79