Finding the Fourth Proportional to 13,018.79, 19,524.15 and 4,697.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.79 : 19,524.15 = 4,697.73 : x
2. Step 2: Convert to fraction form
   13,018.79/19,524.15 = 4,697.73/x
3. Step 3: Cross multiply
   13,018.79x = 19,524.15 × 4,697.73
4. Step 4: Simplify right side
   13,018.79x = 91,719,185.18
5. Step 5: Solve for x
   x = 91,719,185.18/13,018.79
6. Step 6: Final answer
   x = 7,045.14