Finding the Fourth Proportional to 2,269,844,837.56, 3,131,997,947.94 and 1,317,007,139.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269,844,837.56 : 3,131,997,947.94 = 1,317,007,139.32 : x
2. Step 2: Convert to fraction form
   2,269,844,837.56/3,131,997,947.94 = 1,317,007,139.32/x
3. Step 3: Cross multiply
   2,269,844,837.56x = 3,131,997,947.94 × 1,317,007,139.32
4. Step 4: Simplify right side
   2,269,844,837.56x = 4,124,863,657,772,569,600
5. Step 5: Solve for x
   x = 4,124,863,657,772,569,600/2,269,844,837.56
6. Step 6: Final answer
   x = 1,817,244,769.12