Finding the Fourth Proportional to 1,146,683.82, 1,720,233.34 and 472,390.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,683.82 : 1,720,233.34 = 472,390.42 : x
2. Step 2: Convert to fraction form
   1,146,683.82/1,720,233.34 = 472,390.42/x
3. Step 3: Cross multiply
   1,146,683.82x = 1,720,233.34 × 472,390.42
4. Step 4: Simplify right side
   1,146,683.82x = 812,621,749,980.60
5. Step 5: Solve for x
   x = 812,621,749,980.60/1,146,683.82
6. Step 6: Final answer
   x = 708,671.16