Finding the Fourth Proportional to 12,698.12, 19,050.23 and 5,298.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698.12 : 19,050.23 = 5,298.47 : x
2. Step 2: Convert to fraction form
   12,698.12/19,050.23 = 5,298.47/x
3. Step 3: Cross multiply
   12,698.12x = 19,050.23 × 5,298.47
4. Step 4: Simplify right side
   12,698.12x = 100,936,950.40
5. Step 5: Solve for x
   x = 100,936,950.40/12,698.12
6. Step 6: Final answer
   x = 7,948.97