Finding the Fourth Proportional to 3,426,171.21, 5,139,573.90 and 1,120,677.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426,171.21 : 5,139,573.90 = 1,120,677.46 : x
2. Step 2: Convert to fraction form
   3,426,171.21/5,139,573.90 = 1,120,677.46/x
3. Step 3: Cross multiply
   3,426,171.21x = 5,139,573.90 × 1,120,677.46
4. Step 4: Simplify right side
   3,426,171.21x = 5,759,804,606,682.82
5. Step 5: Solve for x
   x = 5,759,804,606,682.82/3,426,171.21
6. Step 6: Final answer
   x = 1,681,119.90