Finding the Fourth Proportional to 762,468.28, 1,143,311.82 and 402,832.18

Step by Step Solution

1. Step 1: Write the proportion equation
   762,468.28 : 1,143,311.82 = 402,832.18 : x
2. Step 2: Convert to fraction form
   762,468.28/1,143,311.82 = 402,832.18/x
3. Step 3: Cross multiply
   762,468.28x = 1,143,311.82 × 402,832.18
4. Step 4: Simplify right side
   762,468.28x = 460,562,792,870.37
5. Step 5: Solve for x
   x = 460,562,792,870.37/762,468.28
6. Step 6: Final answer
   x = 604,041.91