Finding the Fourth Proportional to 1,406,805,974.37, 2,107,545,408.17 and 939,056,997.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,805,974.37 : 2,107,545,408.17 = 939,056,997.24 : x
2. Step 2: Convert to fraction form
   1,406,805,974.37/2,107,545,408.17 = 939,056,997.24/x
3. Step 3: Cross multiply
   1,406,805,974.37x = 2,107,545,408.17 × 939,056,997.24
4. Step 4: Simplify right side
   1,406,805,974.37x = 1,979,105,262,550,592,768
5. Step 5: Solve for x
   x = 1,979,105,262,550,592,768/1,406,805,974.37
6. Step 6: Final answer
   x = 1,406,807,547.45