Finding the Fourth Proportional to 1,409,152.24, 2,113,866.72 and 398,281.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,152.24 : 2,113,866.72 = 398,281.96 : x
2. Step 2: Convert to fraction form
   1,409,152.24/2,113,866.72 = 398,281.96/x
3. Step 3: Cross multiply
   1,409,152.24x = 2,113,866.72 × 398,281.96
4. Step 4: Simplify right side
   1,409,152.24x = 841,914,983,062.71
5. Step 5: Solve for x
   x = 841,914,983,062.71/1,409,152.24
6. Step 6: Final answer
   x = 597,462.05