Finding the Fourth Proportional to 2,989,473.62, 4,477,468.52 and 1,388,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,989,473.62 : 4,477,468.52 = 1,388,667.98 : x
2. Step 2: Convert to fraction form
   2,989,473.62/4,477,468.52 = 1,388,667.98/x
3. Step 3: Cross multiply
   2,989,473.62x = 4,477,468.52 × 1,388,667.98
4. Step 4: Simplify right side
   2,989,473.62x = 6,217,717,179,847.33
5. Step 5: Solve for x
   x = 6,217,717,179,847.33/2,989,473.62
6. Step 6: Final answer
   x = 2,079,870.23