Finding the Fourth Proportional to 2,093,287.80, 3,143,618.10 and 1,621,121.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093,287.80 : 3,143,618.10 = 1,621,121.40 : x
2. Step 2: Convert to fraction form
   2,093,287.80/3,143,618.10 = 1,621,121.40/x
3. Step 3: Cross multiply
   2,093,287.80x = 3,143,618.10 × 1,621,121.40
4. Step 4: Simplify right side
   2,093,287.80x = 5,096,186,575,337.34
5. Step 5: Solve for x
   x = 5,096,186,575,337.34/2,093,287.80
6. Step 6: Final answer
   x = 2,434,536.99