Finding the Fourth Proportional to 813,013.89, 1,121,929.38 and 468,864.33

Step by Step Solution

1. Step 1: Write the proportion equation
   813,013.89 : 1,121,929.38 = 468,864.33 : x
2. Step 2: Convert to fraction form
   813,013.89/1,121,929.38 = 468,864.33/x
3. Step 3: Cross multiply
   813,013.89x = 1,121,929.38 × 468,864.33
4. Step 4: Simplify right side
   813,013.89x = 526,032,667,061.02
5. Step 5: Solve for x
   x = 526,032,667,061.02/813,013.89
6. Step 6: Final answer
   x = 647,015.60