Finding the Fourth Proportional to 2,140,526.56, 3,210,783.36 and 543,086.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,526.56 : 3,210,783.36 = 543,086.88 : x
2. Step 2: Convert to fraction form
   2,140,526.56/3,210,783.36 = 543,086.88/x
3. Step 3: Cross multiply
   2,140,526.56x = 3,210,783.36 × 543,086.88
4. Step 4: Simplify right side
   2,140,526.56x = 1,743,734,317,338.32
5. Step 5: Solve for x
   x = 1,743,734,317,338.32/2,140,526.56
6. Step 6: Final answer
   x = 814,628.68