Finding the Fourth Proportional to 2,105,075.35, 3,158,002.59 and 666,120.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,075.35 : 3,158,002.59 = 666,120.48 : x
2. Step 2: Convert to fraction form
   2,105,075.35/3,158,002.59 = 666,120.48/x
3. Step 3: Cross multiply
   2,105,075.35x = 3,158,002.59 × 666,120.48
4. Step 4: Simplify right side
   2,105,075.35x = 2,103,610,186,751.58
5. Step 5: Solve for x
   x = 2,103,610,186,751.58/2,105,075.35
6. Step 6: Final answer
   x = 999,303.98