Finding the Fourth Proportional to 1,357,935.52, 2,036,868.72 and 648,464.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,935.52 : 2,036,868.72 = 648,464.80 : x
2. Step 2: Convert to fraction form
   1,357,935.52/2,036,868.72 = 648,464.80/x
3. Step 3: Cross multiply
   1,357,935.52x = 2,036,868.72 × 648,464.80
4. Step 4: Simplify right side
   1,357,935.52x = 1,320,837,667,141.06
5. Step 5: Solve for x
   x = 1,320,837,667,141.06/1,357,935.52
6. Step 6: Final answer
   x = 972,680.70