Finding the Fourth Proportional to 1,193,123.50, 1,646,510.70 and 656,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,193,123.50 : 1,646,510.70 = 656,579.50 : x
2. Step 2: Convert to fraction form
   1,193,123.50/1,646,510.70 = 656,579.50/x
3. Step 3: Cross multiply
   1,193,123.50x = 1,646,510.70 × 656,579.50
4. Step 4: Simplify right side
   1,193,123.50x = 1,081,065,172,150.65
5. Step 5: Solve for x
   x = 1,081,065,172,150.65/1,193,123.50
6. Step 6: Final answer
   x = 906,079.86