Finding the Fourth Proportional to 10,970.19, 16,455.39 and 3,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.19 : 16,455.39 = 3,574.50 : x
2. Step 2: Convert to fraction form
   10,970.19/16,455.39 = 3,574.50/x
3. Step 3: Cross multiply
   10,970.19x = 16,455.39 × 3,574.50
4. Step 4: Simplify right side
   10,970.19x = 58,819,791.56
5. Step 5: Solve for x
   x = 58,819,791.56/10,970.19
6. Step 6: Final answer
   x = 5,361.78