Finding the Fourth Proportional to 2,618,132,886.98, 3,613,099,684.55 and 1,428,778,463.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,132,886.98 : 3,613,099,684.55 = 1,428,778,463.52 : x
2. Step 2: Convert to fraction form
   2,618,132,886.98/3,613,099,684.55 = 1,428,778,463.52/x
3. Step 3: Cross multiply
   2,618,132,886.98x = 3,613,099,684.55 × 1,428,778,463.52
4. Step 4: Simplify right side
   2,618,132,886.98x = 5,162,319,015,835,945,984
5. Step 5: Solve for x
   x = 5,162,319,015,835,945,984/2,618,132,886.98
6. Step 6: Final answer
   x = 1,971,755,918.70