Finding the Fourth Proportional to 9,509,287.37, 13,122,815.46 and 5,379,229.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,509,287.37 : 13,122,815.46 = 5,379,229.99 : x
2. Step 2: Convert to fraction form
   9,509,287.37/13,122,815.46 = 5,379,229.99/x
3. Step 3: Cross multiply
   9,509,287.37x = 13,122,815.46 × 5,379,229.99
4. Step 4: Simplify right side
   9,509,287.37x = 70,590,642,410,053.58
5. Step 5: Solve for x
   x = 70,590,642,410,053.58/9,509,287.37
6. Step 6: Final answer
   x = 7,423,336.75