Finding the Fourth Proportional to 12,700.12, 19,053.23 and 5,300.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.12 : 19,053.23 = 5,300.47 : x
2. Step 2: Convert to fraction form
   12,700.12/19,053.23 = 5,300.47/x
3. Step 3: Cross multiply
   12,700.12x = 19,053.23 × 5,300.47
4. Step 4: Simplify right side
   12,700.12x = 100,991,074.02
5. Step 5: Solve for x
   x = 100,991,074.02/12,700.12
6. Step 6: Final answer
   x = 7,951.98