Finding the Fourth Proportional to 9,019.71, 13,529.58 and 3,174.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.71 : 13,529.58 = 3,174.96 : x
2. Step 2: Convert to fraction form
   9,019.71/13,529.58 = 3,174.96/x
3. Step 3: Cross multiply
   9,019.71x = 13,529.58 × 3,174.96
4. Step 4: Simplify right side
   9,019.71x = 42,955,875.32
5. Step 5: Solve for x
   x = 42,955,875.32/9,019.71
6. Step 6: Final answer
   x = 4,762.45