Finding the Fourth Proportional to 2,947,443.89, 4,421,165.45 and 817,527.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,443.89 : 4,421,165.45 = 817,527.99 : x
2. Step 2: Convert to fraction form
   2,947,443.89/4,421,165.45 = 817,527.99/x
3. Step 3: Cross multiply
   2,947,443.89x = 4,421,165.45 × 817,527.99
4. Step 4: Simplify right side
   2,947,443.89x = 3,614,426,499,708.31
5. Step 5: Solve for x
   x = 3,614,426,499,708.31/2,947,443.89
6. Step 6: Final answer
   x = 1,226,291.88