Finding the Fourth Proportional to 2,162,243.08, 2,980,210.93 and 1,978,985.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162,243.08 : 2,980,210.93 = 1,978,985.44 : x
2. Step 2: Convert to fraction form
   2,162,243.08/2,980,210.93 = 1,978,985.44/x
3. Step 3: Cross multiply
   2,162,243.08x = 2,980,210.93 × 1,978,985.44
4. Step 4: Simplify right side
   2,162,243.08x = 5,897,794,038,598.86
5. Step 5: Solve for x
   x = 5,897,794,038,598.86/2,162,243.08
6. Step 6: Final answer
   x = 2,727,627.66