Finding the Fourth Proportional to 2,158,396.04, 2,978,596.05 and 1,191,534.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,396.04 : 2,978,596.05 = 1,191,534.27 : x
2. Step 2: Convert to fraction form
   2,158,396.04/2,978,596.05 = 1,191,534.27/x
3. Step 3: Cross multiply
   2,158,396.04x = 2,978,596.05 × 1,191,534.27
4. Step 4: Simplify right side
   2,158,396.04x = 3,549,099,264,103.96
5. Step 5: Solve for x
   x = 3,549,099,264,103.96/2,158,396.04
6. Step 6: Final answer
   x = 1,644,322.55