Finding the Fourth Proportional to 1,152,789.68, 1,590,843.56 and 669,473.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,789.68 : 1,590,843.56 = 669,473.52 : x
2. Step 2: Convert to fraction form
   1,152,789.68/1,590,843.56 = 669,473.52/x
3. Step 3: Cross multiply
   1,152,789.68x = 1,590,843.56 × 669,473.52
4. Step 4: Simplify right side
   1,152,789.68x = 1,065,027,637,882.53
5. Step 5: Solve for x
   x = 1,065,027,637,882.53/1,152,789.68
6. Step 6: Final answer
   x = 923,869.86