Finding the Fourth Proportional to 35,907.21, 49,551.89 and 19,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   35,907.21 : 49,551.89 = 19,991.52 : x
2. Step 2: Convert to fraction form
   35,907.21/49,551.89 = 19,991.52/x
3. Step 3: Cross multiply
   35,907.21x = 49,551.89 × 19,991.52
4. Step 4: Simplify right side
   35,907.21x = 990,617,500.02
5. Step 5: Solve for x
   x = 990,617,500.02/35,907.21
6. Step 6: Final answer
   x = 27,588.26