Finding the Fourth Proportional to 2,947,479.84, 4,421,219.46 and 817,564.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,479.84 : 4,421,219.46 = 817,564.02 : x
2. Step 2: Convert to fraction form
   2,947,479.84/4,421,219.46 = 817,564.02/x
3. Step 3: Cross multiply
   2,947,479.84x = 4,421,219.46 × 817,564.02
4. Step 4: Simplify right side
   2,947,479.84x = 3,614,629,955,019.83
5. Step 5: Solve for x
   x = 3,614,629,955,019.83/2,947,479.84
6. Step 6: Final answer
   x = 1,226,345.95