Finding the Fourth Proportional to 2,185,720.58, 3,018,646.90 and 1,663,907.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,720.58 : 3,018,646.90 = 1,663,907.78 : x
2. Step 2: Convert to fraction form
   2,185,720.58/3,018,646.90 = 1,663,907.78/x
3. Step 3: Cross multiply
   2,185,720.58x = 3,018,646.90 × 1,663,907.78
4. Step 4: Simplify right side
   2,185,720.58x = 5,022,750,061,982.88
5. Step 5: Solve for x
   x = 5,022,750,061,982.88/2,185,720.58
6. Step 6: Final answer
   x = 2,297,983.61