Finding the Fourth Proportional to 13,019.67, 19,529.55 and 3,158.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.67 : 19,529.55 = 3,158.93 : x
2. Step 2: Convert to fraction form
   13,019.67/19,529.55 = 3,158.93/x
3. Step 3: Cross multiply
   13,019.67x = 19,529.55 × 3,158.93
4. Step 4: Simplify right side
   13,019.67x = 61,692,530.21
5. Step 5: Solve for x
   x = 61,692,530.21/13,019.67
6. Step 6: Final answer
   x = 4,738.41