Finding the Fourth Proportional to 562,526,518.43, 776,212,978.48 and 324,380,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   562,526,518.43 : 776,212,978.48 = 324,380,498.72 : x
2. Step 2: Convert to fraction form
   562,526,518.43/776,212,978.48 = 324,380,498.72/x
3. Step 3: Cross multiply
   562,526,518.43x = 776,212,978.48 × 324,380,498.72
4. Step 4: Simplify right side
   562,526,518.43x = 251,788,353,067,586,976
5. Step 5: Solve for x
   x = 251,788,353,067,586,976/562,526,518.43
6. Step 6: Final answer
   x = 447,602,637.06