Finding the Fourth Proportional to 12,670.02, 19,003.46 and 5,273.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670.02 : 19,003.46 = 5,273.51 : x
2. Step 2: Convert to fraction form
   12,670.02/19,003.46 = 5,273.51/x
3. Step 3: Cross multiply
   12,670.02x = 19,003.46 × 5,273.51
4. Step 4: Simplify right side
   12,670.02x = 100,214,814.96
5. Step 5: Solve for x
   x = 100,214,814.96/12,670.02
6. Step 6: Final answer
   x = 7,909.60