Finding the Fourth Proportional to 12,348,054.15, 17,040,314.72 and 6,915,546.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,348,054.15 : 17,040,314.72 = 6,915,546.15 : x
2. Step 2: Convert to fraction form
   12,348,054.15/17,040,314.72 = 6,915,546.15/x
3. Step 3: Cross multiply
   12,348,054.15x = 17,040,314.72 × 6,915,546.15
4. Step 4: Simplify right side
   12,348,054.15x = 117,843,082,856,684.33
5. Step 5: Solve for x
   x = 117,843,082,856,684.33/12,348,054.15
6. Step 6: Final answer
   x = 9,543,453.68