Finding the Fourth Proportional to 1,997,498,346.72, 2,756,543,724.72 and 1,117,432,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,498,346.72 : 2,756,543,724.72 = 1,117,432,050.72 : x
2. Step 2: Convert to fraction form
   1,997,498,346.72/2,756,543,724.72 = 1,117,432,050.72/x
3. Step 3: Cross multiply
   1,997,498,346.72x = 2,756,543,724.72 × 1,117,432,050.72
4. Step 4: Simplify right side
   1,997,498,346.72x = 3,080,250,307,213,216,768
5. Step 5: Solve for x
   x = 3,080,250,307,213,216,768/1,997,498,346.72
6. Step 6: Final answer
   x = 1,542,053,995.82