Finding the Fourth Proportional to 2,142,756.05, 2,957,039.28 and 1,175,976.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,756.05 : 2,957,039.28 = 1,175,976.30 : x
2. Step 2: Convert to fraction form
   2,142,756.05/2,957,039.28 = 1,175,976.30/x
3. Step 3: Cross multiply
   2,142,756.05x = 2,957,039.28 × 1,175,976.30
4. Step 4: Simplify right side
   2,142,756.05x = 3,477,408,111,449.06
5. Step 5: Solve for x
   x = 3,477,408,111,449.06/2,142,756.05
6. Step 6: Final answer
   x = 1,622,867.01