Finding the Fourth Proportional to 842,291.10, 1,162,030.59 and 519,441.30

Step by Step Solution

1. Step 1: Write the proportion equation
   842,291.10 : 1,162,030.59 = 519,441.30 : x
2. Step 2: Convert to fraction form
   842,291.10/1,162,030.59 = 519,441.30/x
3. Step 3: Cross multiply
   842,291.10x = 1,162,030.59 × 519,441.30
4. Step 4: Simplify right side
   842,291.10x = 603,606,680,309.37
5. Step 5: Solve for x
   x = 603,606,680,309.37/842,291.10
6. Step 6: Final answer
   x = 716,624.79