Finding the Fourth Proportional to 12,950.51, 19,422.86 and 5,053.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,950.51 : 19,422.86 = 5,053.22 : x
2. Step 2: Convert to fraction form
   12,950.51/19,422.86 = 5,053.22/x
3. Step 3: Cross multiply
   12,950.51x = 19,422.86 × 5,053.22
4. Step 4: Simplify right side
   12,950.51x = 98,147,887.49
5. Step 5: Solve for x
   x = 98,147,887.49/12,950.51
6. Step 6: Final answer
   x = 7,578.69