Finding the Fourth Proportional to 1,677,271.37, 2,516,309.24 and 540,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677,271.37 : 2,516,309.24 = 540,140.72 : x
2. Step 2: Convert to fraction form
   1,677,271.37/2,516,309.24 = 540,140.72/x
3. Step 3: Cross multiply
   1,677,271.37x = 2,516,309.24 × 540,140.72
4. Step 4: Simplify right side
   1,677,271.37x = 1,359,161,069,354.00
5. Step 5: Solve for x
   x = 1,359,161,069,354.00/1,677,271.37
6. Step 6: Final answer
   x = 810,340.59