Finding the Fourth Proportional to 2,158,367.01, 2,978,468.40 and 1,191,476.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,367.01 : 2,978,468.40 = 1,191,476.55 : x
2. Step 2: Convert to fraction form
   2,158,367.01/2,978,468.40 = 1,191,476.55/x
3. Step 3: Cross multiply
   2,158,367.01x = 2,978,468.40 × 1,191,476.55
4. Step 4: Simplify right side
   2,158,367.01x = 3,548,775,253,516.02
5. Step 5: Solve for x
   x = 3,548,775,253,516.02/2,158,367.01
6. Step 6: Final answer
   x = 1,644,194.54