Finding the Fourth Proportional to 2,158,549.22, 2,978,801.71 and 1,191,681.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,549.22 : 2,978,801.71 = 1,191,681.08 : x
2. Step 2: Convert to fraction form
   2,158,549.22/2,978,801.71 = 1,191,681.08/x
3. Step 3: Cross multiply
   2,158,549.22x = 2,978,801.71 × 1,191,681.08
4. Step 4: Simplify right side
   2,158,549.22x = 3,549,781,621,005.44
5. Step 5: Solve for x
   x = 3,549,781,621,005.44/2,158,549.22
6. Step 6: Final answer
   x = 1,644,521.98