Finding the Fourth Proportional to 2,080,111.80, 3,113,946.90 and 1,238,230.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080,111.80 : 3,113,946.90 = 1,238,230.20 : x
2. Step 2: Convert to fraction form
   2,080,111.80/3,113,946.90 = 1,238,230.20/x
3. Step 3: Cross multiply
   2,080,111.80x = 3,113,946.90 × 1,238,230.20
4. Step 4: Simplify right side
   2,080,111.80x = 3,855,783,092,776.38
5. Step 5: Solve for x
   x = 3,855,783,092,776.38/2,080,111.80
6. Step 6: Final answer
   x = 1,853,642.24