Finding the Fourth Proportional to 1,282,404,499.63, 1,924,850,648.68 and 618,885,465.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,404,499.63 : 1,924,850,648.68 = 618,885,465.73 : x
2. Step 2: Convert to fraction form
   1,282,404,499.63/1,924,850,648.68 = 618,885,465.73/x
3. Step 3: Cross multiply
   1,282,404,499.63x = 1,924,850,648.68 × 618,885,465.73
4. Step 4: Simplify right side
   1,282,404,499.63x = 1,191,262,090,162,654,976
5. Step 5: Solve for x
   x = 1,191,262,090,162,654,976/1,282,404,499.63
6. Step 6: Final answer
   x = 928,928,501.51