Finding the Fourth Proportional to 12,887.61, 19,340.33 and 5,097.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,887.61 : 19,340.33 = 5,097.03 : x
2. Step 2: Convert to fraction form
   12,887.61/19,340.33 = 5,097.03/x
3. Step 3: Cross multiply
   12,887.61x = 19,340.33 × 5,097.03
4. Step 4: Simplify right side
   12,887.61x = 98,578,216.73
5. Step 5: Solve for x
   x = 98,578,216.73/12,887.61
6. Step 6: Final answer
   x = 7,649.07