Finding the Fourth Proportional to 1,140,540,495.99, 1,711,530,403.62 and 485,490,452.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,540,495.99 : 1,711,530,403.62 = 485,490,452.82 : x
2. Step 2: Convert to fraction form
   1,140,540,495.99/1,711,530,403.62 = 485,490,452.82/x
3. Step 3: Cross multiply
   1,140,540,495.99x = 1,711,530,403.62 × 485,490,452.82
4. Step 4: Simplify right side
   1,140,540,495.99x = 830,931,670,668,671,104
5. Step 5: Solve for x
   x = 830,931,670,668,671,104/1,140,540,495.99
6. Step 6: Final answer
   x = 728,542,014.59