Finding the Fourth Proportional to 9,980,995.05, 14,965,054.07 and 3,916,339.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980,995.05 : 14,965,054.07 = 3,916,339.47 : x
2. Step 2: Convert to fraction form
   9,980,995.05/14,965,054.07 = 3,916,339.47/x
3. Step 3: Cross multiply
   9,980,995.05x = 14,965,054.07 × 3,916,339.47
4. Step 4: Simplify right side
   9,980,995.05x = 58,608,231,905,443.45
5. Step 5: Solve for x
   x = 58,608,231,905,443.45/9,980,995.05
6. Step 6: Final answer
   x = 5,871,982.86