Finding the Fourth Proportional to 889,499,823.98, 1,333,981,109.12 and 267,549,951.49

Step by Step Solution

1. Step 1: Write the proportion equation
   889,499,823.98 : 1,333,981,109.12 = 267,549,951.49 : x
2. Step 2: Convert to fraction form
   889,499,823.98/1,333,981,109.12 = 267,549,951.49/x
3. Step 3: Cross multiply
   889,499,823.98x = 1,333,981,109.12 × 267,549,951.49
4. Step 4: Simplify right side
   889,499,823.98x = 356,906,581,028,959,744
5. Step 5: Solve for x
   x = 356,906,581,028,959,744/889,499,823.98
6. Step 6: Final answer
   x = 401,244,127.78