Finding the Fourth Proportional to 11,665,043.93, 17,500,863.41 and 3,990,350.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665,043.93 : 17,500,863.41 = 3,990,350.63 : x
2. Step 2: Convert to fraction form
   11,665,043.93/17,500,863.41 = 3,990,350.63/x
3. Step 3: Cross multiply
   11,665,043.93x = 17,500,863.41 × 3,990,350.63
4. Step 4: Simplify right side
   11,665,043.93x = 69,834,581,333,637.45
5. Step 5: Solve for x
   x = 69,834,581,333,637.45/11,665,043.93
6. Step 6: Final answer
   x = 5,986,653.95