Finding the Fourth Proportional to 1,123,502.02, 1,684,809.86 and 483,853.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,502.02 : 1,684,809.86 = 483,853.72 : x
2. Step 2: Convert to fraction form
   1,123,502.02/1,684,809.86 = 483,853.72/x
3. Step 3: Cross multiply
   1,123,502.02x = 1,684,809.86 × 483,853.72
4. Step 4: Simplify right side
   1,123,502.02x = 815,201,518,253.68
5. Step 5: Solve for x
   x = 815,201,518,253.68/1,123,502.02
6. Step 6: Final answer
   x = 725,589.72