Finding the Fourth Proportional to 648,222.72, 972,334.05 and 174,908.07

Step by Step Solution

1. Step 1: Write the proportion equation
   648,222.72 : 972,334.05 = 174,908.07 : x
2. Step 2: Convert to fraction form
   648,222.72/972,334.05 = 174,908.07/x
3. Step 3: Cross multiply
   648,222.72x = 972,334.05 × 174,908.07
4. Step 4: Simplify right side
   648,222.72x = 170,069,072,080.78
5. Step 5: Solve for x
   x = 170,069,072,080.78/648,222.72
6. Step 6: Final answer
   x = 262,362.10