Finding the Fourth Proportional to 2,713,571.88, 4,069,493.52 and 891,513.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713,571.88 : 4,069,493.52 = 891,513.78 : x
2. Step 2: Convert to fraction form
   2,713,571.88/4,069,493.52 = 891,513.78/x
3. Step 3: Cross multiply
   2,713,571.88x = 4,069,493.52 × 891,513.78
4. Step 4: Simplify right side
   2,713,571.88x = 3,628,009,550,700.71
5. Step 5: Solve for x
   x = 3,628,009,550,700.71/2,713,571.88
6. Step 6: Final answer
   x = 1,336,986.71