Finding the Fourth Proportional to 1,222,563.58, 1,833,758.76 and 323,985.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,563.58 : 1,833,758.76 = 323,985.40 : x
2. Step 2: Convert to fraction form
   1,222,563.58/1,833,758.76 = 323,985.40/x
3. Step 3: Cross multiply
   1,222,563.58x = 1,833,758.76 × 323,985.40
4. Step 4: Simplify right side
   1,222,563.58x = 594,111,065,362.10
5. Step 5: Solve for x
   x = 594,111,065,362.10/1,222,563.58
6. Step 6: Final answer
   x = 485,955.15