Finding the Fourth Proportional to 2,728,386.61, 4,091,881.57 and 808,848.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,386.61 : 4,091,881.57 = 808,848.94 : x
2. Step 2: Convert to fraction form
   2,728,386.61/4,091,881.57 = 808,848.94/x
3. Step 3: Cross multiply
   2,728,386.61x = 4,091,881.57 × 808,848.94
4. Step 4: Simplify right side
   2,728,386.61x = 3,309,714,070,500.04
5. Step 5: Solve for x
   x = 3,309,714,070,500.04/2,728,386.61
6. Step 6: Final answer
   x = 1,213,066.38