Finding the Fourth Proportional to 2,109,563.49, 2,911,129.27 and 1,179,246.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,563.49 : 2,911,129.27 = 1,179,246.50 : x
2. Step 2: Convert to fraction form
   2,109,563.49/2,911,129.27 = 1,179,246.50/x
3. Step 3: Cross multiply
   2,109,563.49x = 2,911,129.27 × 1,179,246.50
4. Step 4: Simplify right side
   2,109,563.49x = 3,432,939,002,695.06
5. Step 5: Solve for x
   x = 3,432,939,002,695.06/2,109,563.49
6. Step 6: Final answer
   x = 1,627,321.96