Finding the Fourth Proportional to 35,649.72, 53,571.51 and 19,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,649.72 : 53,571.51 = 19,021.50 : x
2. Step 2: Convert to fraction form
   35,649.72/53,571.51 = 19,021.50/x
3. Step 3: Cross multiply
   35,649.72x = 53,571.51 × 19,021.50
4. Step 4: Simplify right side
   35,649.72x = 1,019,010,114.50
5. Step 5: Solve for x
   x = 1,019,010,114.50/35,649.72
6. Step 6: Final answer
   x = 28,583.96