Finding the Fourth Proportional to 2,074,540.10, 3,111,810.15 and 811,948.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,540.10 : 3,111,810.15 = 811,948.10 : x
2. Step 2: Convert to fraction form
   2,074,540.10/3,111,810.15 = 811,948.10/x
3. Step 3: Cross multiply
   2,074,540.10x = 3,111,810.15 × 811,948.10
4. Step 4: Simplify right side
   2,074,540.10x = 2,526,628,338,853.22
5. Step 5: Solve for x
   x = 2,526,628,338,853.22/2,074,540.10
6. Step 6: Final answer
   x = 1,217,922.15