Finding the Fourth Proportional to 19,005.39, 26,226.59 and 10,938.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,005.39 : 26,226.59 = 10,938.42 : x
2. Step 2: Convert to fraction form
   19,005.39/26,226.59 = 10,938.42/x
3. Step 3: Cross multiply
   19,005.39x = 26,226.59 × 10,938.42
4. Step 4: Simplify right side
   19,005.39x = 286,877,401.90
5. Step 5: Solve for x
   x = 286,877,401.90/19,005.39
6. Step 6: Final answer
   x = 15,094.53