Finding the Fourth Proportional to 13,240,300.65, 18,279,766.61 and 10,498,065.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,240,300.65 : 18,279,766.61 = 10,498,065.09 : x
2. Step 2: Convert to fraction form
   13,240,300.65/18,279,766.61 = 10,498,065.09/x
3. Step 3: Cross multiply
   13,240,300.65x = 18,279,766.61 × 10,498,065.09
4. Step 4: Simplify right side
   13,240,300.65x = 191,902,179,701,788.62
5. Step 5: Solve for x
   x = 191,902,179,701,788.62/13,240,300.65
6. Step 6: Final answer
   x = 14,493,793.21