Finding the Fourth Proportional to 1,388,945,314.93, 1,916,746,633.83 and 753,866,034.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,945,314.93 : 1,916,746,633.83 = 753,866,034.79 : x
2. Step 2: Convert to fraction form
   1,388,945,314.93/1,916,746,633.83 = 753,866,034.79/x
3. Step 3: Cross multiply
   1,388,945,314.93x = 1,916,746,633.83 × 753,866,034.79
4. Step 4: Simplify right side
   1,388,945,314.93x = 1,444,970,184,542,502,144
5. Step 5: Solve for x
   x = 1,444,970,184,542,502,144/1,388,945,314.93
6. Step 6: Final answer
   x = 1,040,336,267.39