Finding the Fourth Proportional to 10,369,865.77, 15,555,546 and 3,980,118.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,369,865.77 : 15,555,546 = 3,980,118.12 : x
2. Step 2: Convert to fraction form
   10,369,865.77/15,555,546 = 3,980,118.12/x
3. Step 3: Cross multiply
   10,369,865.77x = 15,555,546 × 3,980,118.12
4. Step 4: Simplify right side
   10,369,865.77x = 61,912,910,501,093.52
5. Step 5: Solve for x
   x = 61,912,910,501,093.52/10,369,865.77
6. Step 6: Final answer
   x = 5,970,464.02