Finding the Fourth Proportional to 1,093,171.98, 1,507,945.84 and 657,286.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,171.98 : 1,507,945.84 = 657,286.56 : x
2. Step 2: Convert to fraction form
   1,093,171.98/1,507,945.84 = 657,286.56/x
3. Step 3: Cross multiply
   1,093,171.98x = 1,507,945.84 × 657,286.56
4. Step 4: Simplify right side
   1,093,171.98x = 991,152,533,839.91
5. Step 5: Solve for x
   x = 991,152,533,839.91/1,093,171.98
6. Step 6: Final answer
   x = 906,675.76