Finding the Fourth Proportional to 1,693,158,067.35, 2,538,748,620.77 and 656,807,964.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693,158,067.35 : 2,538,748,620.77 = 656,807,964.03 : x
2. Step 2: Convert to fraction form
   1,693,158,067.35/2,538,748,620.77 = 656,807,964.03/x
3. Step 3: Cross multiply
   1,693,158,067.35x = 2,538,748,620.77 × 656,807,964.03
4. Step 4: Simplify right side
   1,693,158,067.35x = 1,667,470,312,788,630,016
5. Step 5: Solve for x
   x = 1,667,470,312,788,630,016/1,693,158,067.35
6. Step 6: Final answer
   x = 984,828,495.90