Finding the Fourth Proportional to 13,086,978.08, 18,059,676.91 and 7,285,760.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086,978.08 : 18,059,676.91 = 7,285,760.33 : x
2. Step 2: Convert to fraction form
   13,086,978.08/18,059,676.91 = 7,285,760.33/x
3. Step 3: Cross multiply
   13,086,978.08x = 18,059,676.91 × 7,285,760.33
4. Step 4: Simplify right side
   13,086,978.08x = 131,578,477,494,982.19
5. Step 5: Solve for x
   x = 131,578,477,494,982.19/13,086,978.08
6. Step 6: Final answer
   x = 10,054,152.82