Finding the Fourth Proportional to 562,852,914.72, 776,953,944.72 and 547,320,665.76

Step by Step Solution

1. Step 1: Write the proportion equation
   562,852,914.72 : 776,953,944.72 = 547,320,665.76 : x
2. Step 2: Convert to fraction form
   562,852,914.72/776,953,944.72 = 547,320,665.76/x
3. Step 3: Cross multiply
   562,852,914.72x = 776,953,944.72 × 547,320,665.76
4. Step 4: Simplify right side
   562,852,914.72x = 425,242,950,289,008,640
5. Step 5: Solve for x
   x = 425,242,950,289,008,640/562,852,914.72
6. Step 6: Final answer
   x = 755,513,455.06