Finding the Fourth Proportional to 35,320.74, 48,742.84 and 19,404.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,320.74 : 48,742.84 = 19,404.78 : x
2. Step 2: Convert to fraction form
   35,320.74/48,742.84 = 19,404.78/x
3. Step 3: Cross multiply
   35,320.74x = 48,742.84 × 19,404.78
4. Step 4: Simplify right side
   35,320.74x = 945,844,086.78
5. Step 5: Solve for x
   x = 945,844,086.78/35,320.74
6. Step 6: Final answer
   x = 26,778.72