Finding the Fourth Proportional to 1,005,978.22, 1,508,945.46 and 473,203.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,978.22 : 1,508,945.46 = 473,203.96 : x
2. Step 2: Convert to fraction form
   1,005,978.22/1,508,945.46 = 473,203.96/x
3. Step 3: Cross multiply
   1,005,978.22x = 1,508,945.46 × 473,203.96
4. Step 4: Simplify right side
   1,005,978.22x = 714,038,967,096.02
5. Step 5: Solve for x
   x = 714,038,967,096.02/1,005,978.22
6. Step 6: Final answer
   x = 709,795.65