Finding the Fourth Proportional to 32,870.21, 45,361.69 and 19,949.63

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870.21 : 45,361.69 = 19,949.63 : x
2. Step 2: Convert to fraction form
   32,870.21/45,361.69 = 19,949.63/x
3. Step 3: Cross multiply
   32,870.21x = 45,361.69 × 19,949.63
4. Step 4: Simplify right side
   32,870.21x = 904,948,654.99
5. Step 5: Solve for x
   x = 904,948,654.99/32,870.21
6. Step 6: Final answer
   x = 27,530.97