Finding the Fourth Proportional to 705,079.89, 973,010.25 and 382,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   705,079.89 : 973,010.25 = 382,789.98 : x
2. Step 2: Convert to fraction form
   705,079.89/973,010.25 = 382,789.98/x
3. Step 3: Cross multiply
   705,079.89x = 973,010.25 × 382,789.98
4. Step 4: Simplify right side
   705,079.89x = 372,458,574,137.30
5. Step 5: Solve for x
   x = 372,458,574,137.30/705,079.89
6. Step 6: Final answer
   x = 528,250.17