Finding the Fourth Proportional to 13,093.04, 19,491.47 and 13,015.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,093.04 : 19,491.47 = 13,015.18 : x
2. Step 2: Convert to fraction form
   13,093.04/19,491.47 = 13,015.18/x
3. Step 3: Cross multiply
   13,093.04x = 19,491.47 × 13,015.18
4. Step 4: Simplify right side
   13,093.04x = 253,684,998.61
5. Step 5: Solve for x
   x = 253,684,998.61/13,093.04
6. Step 6: Final answer
   x = 19,375.56