Finding the Fourth Proportional to 892,093,365.72, 1,337,680,573.38 and 400,385,109.42

Step by Step Solution

1. Step 1: Write the proportion equation
   892,093,365.72 : 1,337,680,573.38 = 400,385,109.42 : x
2. Step 2: Convert to fraction form
   892,093,365.72/1,337,680,573.38 = 400,385,109.42/x
3. Step 3: Cross multiply
   892,093,365.72x = 1,337,680,573.38 × 400,385,109.42
4. Step 4: Simplify right side
   892,093,365.72x = 535,587,382,741,759,680
5. Step 5: Solve for x
   x = 535,587,382,741,759,680/892,093,365.72
6. Step 6: Final answer
   x = 600,371,444.65