Finding the Fourth Proportional to 2,196,495,987.30, 3,031,351,398.09 and 1,244,046,147.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,495,987.30 : 3,031,351,398.09 = 1,244,046,147.30 : x
2. Step 2: Convert to fraction form
   2,196,495,987.30/3,031,351,398.09 = 1,244,046,147.30/x
3. Step 3: Cross multiply
   2,196,495,987.30x = 3,031,351,398.09 × 1,244,046,147.30
4. Step 4: Simplify right side
   2,196,495,987.30x = 3,771,141,027,906,333,184
5. Step 5: Solve for x
   x = 3,771,141,027,906,333,184/2,196,495,987.30
6. Step 6: Final answer
   x = 1,716,889,559.42