Finding the Fourth Proportional to 1,618,309,109.88, 2,233,266,498.54 and 875,753,192.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,309,109.88 : 2,233,266,498.54 = 875,753,192.88 : x
2. Step 2: Convert to fraction form
   1,618,309,109.88/2,233,266,498.54 = 875,753,192.88/x
3. Step 3: Cross multiply
   1,618,309,109.88x = 2,233,266,498.54 × 875,753,192.88
4. Step 4: Simplify right side
   1,618,309,109.88x = 1,955,790,266,648,342,784
5. Step 5: Solve for x
   x = 1,955,790,266,648,342,784/1,618,309,109.88
6. Step 6: Final answer
   x = 1,208,539,366.62