Finding the Fourth Proportional to 10,805,786.88, 16,209,419.04 and 3,617,030.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,805,786.88 : 16,209,419.04 = 3,617,030.40 : x
2. Step 2: Convert to fraction form
   10,805,786.88/16,209,419.04 = 3,617,030.40/x
3. Step 3: Cross multiply
   10,805,786.88x = 16,209,419.04 × 3,617,030.40
4. Step 4: Simplify right side
   10,805,786.88x = 58,629,961,434,018.81
5. Step 5: Solve for x
   x = 58,629,961,434,018.81/10,805,786.88
6. Step 6: Final answer
   x = 5,425,792.87