Finding the Fourth Proportional to 723,976,071.72, 1,086,298,091.24 and 330,623,483.24

Step by Step Solution

1. Step 1: Write the proportion equation
   723,976,071.72 : 1,086,298,091.24 = 330,623,483.24 : x
2. Step 2: Convert to fraction form
   723,976,071.72/1,086,298,091.24 = 330,623,483.24/x
3. Step 3: Cross multiply
   723,976,071.72x = 1,086,298,091.24 × 330,623,483.24
4. Step 4: Simplify right side
   723,976,071.72x = 359,155,658,755,647,488
5. Step 5: Solve for x
   x = 359,155,658,755,647,488/723,976,071.72
6. Step 6: Final answer
   x = 496,087,747.63