Finding the Fourth Proportional to 1,356,941.06, 2,035,100.61 and 809,987.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,941.06 : 2,035,100.61 = 809,987.88 : x
2. Step 2: Convert to fraction form
   1,356,941.06/2,035,100.61 = 809,987.88/x
3. Step 3: Cross multiply
   1,356,941.06x = 2,035,100.61 × 809,987.88
4. Step 4: Simplify right side
   1,356,941.06x = 1,648,406,828,680.61
5. Step 5: Solve for x
   x = 1,648,406,828,680.61/1,356,941.06
6. Step 6: Final answer
   x = 1,214,796.19