Finding the Fourth Proportional to 10,805,694.89, 16,209,677.49 and 3,519,722.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,805,694.89 : 16,209,677.49 = 3,519,722.43 : x
2. Step 2: Convert to fraction form
   10,805,694.89/16,209,677.49 = 3,519,722.43/x
3. Step 3: Cross multiply
   10,805,694.89x = 16,209,677.49 × 3,519,722.43
4. Step 4: Simplify right side
   10,805,694.89x = 57,053,565,363,570.71
5. Step 5: Solve for x
   x = 57,053,565,363,570.71/10,805,694.89
6. Step 6: Final answer
   x = 5,279,953.39