Finding the Fourth Proportional to 2,572,638.10, 3,550,458.81 and 1,427,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,638.10 : 3,550,458.81 = 1,427,087.50 : x
2. Step 2: Convert to fraction form
   2,572,638.10/3,550,458.81 = 1,427,087.50/x
3. Step 3: Cross multiply
   2,572,638.10x = 3,550,458.81 × 1,427,087.50
4. Step 4: Simplify right side
   2,572,638.10x = 5,066,815,387,015.88
5. Step 5: Solve for x
   x = 5,066,815,387,015.88/2,572,638.10
6. Step 6: Final answer
   x = 1,969,501.81