Finding the Fourth Proportional to 738,667.72, 1,019,835.84 and 463,402.96

Step by Step Solution

1. Step 1: Write the proportion equation
   738,667.72 : 1,019,835.84 = 463,402.96 : x
2. Step 2: Convert to fraction form
   738,667.72/1,019,835.84 = 463,402.96/x
3. Step 3: Cross multiply
   738,667.72x = 1,019,835.84 × 463,402.96
4. Step 4: Simplify right side
   738,667.72x = 472,594,946,970.09
5. Step 5: Solve for x
   x = 472,594,946,970.09/738,667.72
6. Step 6: Final answer
   x = 639,793.69