Finding the Fourth Proportional to 2,978,406.10, 4,467,609.15 and 1,181,718.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,406.10 : 4,467,609.15 = 1,181,718.10 : x
2. Step 2: Convert to fraction form
   2,978,406.10/4,467,609.15 = 1,181,718.10/x
3. Step 3: Cross multiply
   2,978,406.10x = 4,467,609.15 × 1,181,718.10
4. Step 4: Simplify right side
   2,978,406.10x = 5,279,454,596,280.62
5. Step 5: Solve for x
   x = 5,279,454,596,280.62/2,978,406.10
6. Step 6: Final answer
   x = 1,772,577.15