Finding the Fourth Proportional to 19,108,178.78, 26,369,103.15 and 10,406,496.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,108,178.78 : 26,369,103.15 = 10,406,496.69 : x
2. Step 2: Convert to fraction form
   19,108,178.78/26,369,103.15 = 10,406,496.69/x
3. Step 3: Cross multiply
   19,108,178.78x = 26,369,103.15 × 10,406,496.69
4. Step 4: Simplify right side
   19,108,178.78x = 274,409,984,648,743.53
5. Step 5: Solve for x
   x = 274,409,984,648,743.53/19,108,178.78
6. Step 6: Final answer
   x = 14,360,865.46