Finding the Fourth Proportional to 1,166,003,467.83, 1,749,005,201.88 and 389,649,128.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166,003,467.83 : 1,749,005,201.88 = 389,649,128.58 : x
2. Step 2: Convert to fraction form
   1,166,003,467.83/1,749,005,201.88 = 389,649,128.58/x
3. Step 3: Cross multiply
   1,166,003,467.83x = 1,749,005,201.88 × 389,649,128.58
4. Step 4: Simplify right side
   1,166,003,467.83x = 681,498,352,794,429,056
5. Step 5: Solve for x
   x = 681,498,352,794,429,056/1,166,003,467.83
6. Step 6: Final answer
   x = 584,473,692.92