Finding the Fourth Proportional to 9,886,039.44, 13,644,166.71 and 5,535,406.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,886,039.44 : 13,644,166.71 = 5,535,406.12 : x
2. Step 2: Convert to fraction form
   9,886,039.44/13,644,166.71 = 5,535,406.12/x
3. Step 3: Cross multiply
   9,886,039.44x = 13,644,166.71 × 5,535,406.12
4. Step 4: Simplify right side
   9,886,039.44x = 75,526,003,895,481.61
5. Step 5: Solve for x
   x = 75,526,003,895,481.61/9,886,039.44
6. Step 6: Final answer
   x = 7,639,662.41