Finding the Fourth Proportional to 2,158,362.88, 2,978,462.71 and 1,191,472.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,362.88 : 2,978,462.71 = 1,191,472.41 : x
2. Step 2: Convert to fraction form
   2,158,362.88/2,978,462.71 = 1,191,472.41/x
3. Step 3: Cross multiply
   2,158,362.88x = 2,978,462.71 × 1,191,472.41
4. Step 4: Simplify right side
   2,158,362.88x = 3,548,756,147,460.48
5. Step 5: Solve for x
   x = 3,548,756,147,460.48/2,158,362.88
6. Step 6: Final answer
   x = 1,644,188.83