Finding the Fourth Proportional to 687,535.89, 948,785.24 and 381,594.33

Step by Step Solution

1. Step 1: Write the proportion equation
   687,535.89 : 948,785.24 = 381,594.33 : x
2. Step 2: Convert to fraction form
   687,535.89/948,785.24 = 381,594.33/x
3. Step 3: Cross multiply
   687,535.89x = 948,785.24 × 381,594.33
4. Step 4: Simplify right side
   687,535.89x = 362,051,066,063.72
5. Step 5: Solve for x
   x = 362,051,066,063.72/687,535.89
6. Step 6: Final answer
   x = 526,592.24