Finding the Fourth Proportional to 2,642,663.43, 3,964,585.83 and 845,654.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,663.43 : 3,964,585.83 = 845,654.79 : x
2. Step 2: Convert to fraction form
   2,642,663.43/3,964,585.83 = 845,654.79/x
3. Step 3: Cross multiply
   2,642,663.43x = 3,964,585.83 × 845,654.79
4. Step 4: Simplify right side
   2,642,663.43x = 3,352,670,997,505.63
5. Step 5: Solve for x
   x = 3,352,670,997,505.63/2,642,663.43
6. Step 6: Final answer
   x = 1,268,671.20