Finding the Fourth Proportional to 1,433,435.49, 1,978,141.37 and 788,855.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,435.49 : 1,978,141.37 = 788,855.58 : x
2. Step 2: Convert to fraction form
   1,433,435.49/1,978,141.37 = 788,855.58/x
3. Step 3: Cross multiply
   1,433,435.49x = 1,978,141.37 × 788,855.58
4. Step 4: Simplify right side
   1,433,435.49x = 1,560,467,853,809.07
5. Step 5: Solve for x
   x = 1,560,467,853,809.07/1,433,435.49
6. Step 6: Final answer
   x = 1,088,620.91