Finding the Fourth Proportional to 820,635,675.89, 1,132,486,368.72 and 444,300,464.77

Step by Step Solution

1. Step 1: Write the proportion equation
   820,635,675.89 : 1,132,486,368.72 = 444,300,464.77 : x
2. Step 2: Convert to fraction form
   820,635,675.89/1,132,486,368.72 = 444,300,464.77/x
3. Step 3: Cross multiply
   820,635,675.89x = 1,132,486,368.72 × 444,300,464.77
4. Step 4: Simplify right side
   820,635,675.89x = 503,164,219,967,985,600
5. Step 5: Solve for x
   x = 503,164,219,967,985,600/820,635,675.89
6. Step 6: Final answer
   x = 613,139,587.70