Finding the Fourth Proportional to 2,228,665.43, 3,075,570.56 and 1,210,070.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228,665.43 : 3,075,570.56 = 1,210,070.18 : x
2. Step 2: Convert to fraction form
   2,228,665.43/3,075,570.56 = 1,210,070.18/x
3. Step 3: Cross multiply
   2,228,665.43x = 3,075,570.56 × 1,210,070.18
4. Step 4: Simplify right side
   2,228,665.43x = 3,721,656,199,713.70
5. Step 5: Solve for x
   x = 3,721,656,199,713.70/2,228,665.43
6. Step 6: Final answer
   x = 1,669,903.50