Finding the Fourth Proportional to 2,075,113.69, 2,863,656.90 and 1,121,257.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075,113.69 : 2,863,656.90 = 1,121,257.69 : x
2. Step 2: Convert to fraction form
   2,075,113.69/2,863,656.90 = 1,121,257.69/x
3. Step 3: Cross multiply
   2,075,113.69x = 2,863,656.90 × 1,121,257.69
4. Step 4: Simplify right side
   2,075,113.69x = 3,210,897,313,487.42
5. Step 5: Solve for x
   x = 3,210,897,313,487.42/2,075,113.69
6. Step 6: Final answer
   x = 1,547,335.61