Finding the Fourth Proportional to 2,158,420.76, 2,978,625.06 and 1,191,552.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,420.76 : 2,978,625.06 = 1,191,552.38 : x
2. Step 2: Convert to fraction form
   2,158,420.76/2,978,625.06 = 1,191,552.38/x
3. Step 3: Cross multiply
   2,158,420.76x = 2,978,625.06 × 1,191,552.38
4. Step 4: Simplify right side
   2,158,420.76x = 3,549,187,779,370.64
5. Step 5: Solve for x
   x = 3,549,187,779,370.64/2,158,420.76
6. Step 6: Final answer
   x = 1,644,344.72