Finding the Fourth Proportional to 13,782.46, 19,019.72 and 7,494.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,782.46 : 19,019.72 = 7,494.84 : x
2. Step 2: Convert to fraction form
   13,782.46/19,019.72 = 7,494.84/x
3. Step 3: Cross multiply
   13,782.46x = 19,019.72 × 7,494.84
4. Step 4: Simplify right side
   13,782.46x = 142,549,758.24
5. Step 5: Solve for x
   x = 142,549,758.24/13,782.46
6. Step 6: Final answer
   x = 10,342.84