Finding the Fourth Proportional to 663,051.16, 994,870.78 and 347,433.04

Step by Step Solution

1. Step 1: Write the proportion equation
   663,051.16 : 994,870.78 = 347,433.04 : x
2. Step 2: Convert to fraction form
   663,051.16/994,870.78 = 347,433.04/x
3. Step 3: Cross multiply
   663,051.16x = 994,870.78 × 347,433.04
4. Step 4: Simplify right side
   663,051.16x = 345,650,979,502.57
5. Step 5: Solve for x
   x = 345,650,979,502.57/663,051.16
6. Step 6: Final answer
   x = 521,303.63