Finding the Fourth Proportional to 35,820.72, 49,434.48 and 19,905.48

Step by Step Solution

1. Step 1: Write the proportion equation
   35,820.72 : 49,434.48 = 19,905.48 : x
2. Step 2: Convert to fraction form
   35,820.72/49,434.48 = 19,905.48/x
3. Step 3: Cross multiply
   35,820.72x = 49,434.48 × 19,905.48
4. Step 4: Simplify right side
   35,820.72x = 984,017,052.95
5. Step 5: Solve for x
   x = 984,017,052.95/35,820.72
6. Step 6: Final answer
   x = 27,470.61