Finding the Fourth Proportional to 1,016,603,293.95, 1,518,059,118.50 and 830,226,964.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,603,293.95 : 1,518,059,118.50 = 830,226,964.79 : x
2. Step 2: Convert to fraction form
   1,016,603,293.95/1,518,059,118.50 = 830,226,964.79/x
3. Step 3: Cross multiply
   1,016,603,293.95x = 1,518,059,118.50 × 830,226,964.79
4. Step 4: Simplify right side
   1,016,603,293.95x = 1,260,333,614,322,578,944
5. Step 5: Solve for x
   x = 1,260,333,614,322,578,944/1,016,603,293.95
6. Step 6: Final answer
   x = 1,239,749,685.86