Finding the Fourth Proportional to 610,816, 843,018.24 and 372,490.24

Step by Step Solution

1. Step 1: Write the proportion equation
   610,816 : 843,018.24 = 372,490.24 : x
2. Step 2: Convert to fraction form
   610,816/843,018.24 = 372,490.24/x
3. Step 3: Cross multiply
   610,816x = 843,018.24 × 372,490.24
4. Step 4: Simplify right side
   610,816x = 314,016,066,541.98
5. Step 5: Solve for x
   x = 314,016,066,541.98/610,816
6. Step 6: Final answer
   x = 514,092.73