Finding the Fourth Proportional to 923,612.37, 1,274,606.72 and 515,700.42

Step by Step Solution

1. Step 1: Write the proportion equation
   923,612.37 : 1,274,606.72 = 515,700.42 : x
2. Step 2: Convert to fraction form
   923,612.37/1,274,606.72 = 515,700.42/x
3. Step 3: Cross multiply
   923,612.37x = 1,274,606.72 × 515,700.42
4. Step 4: Simplify right side
   923,612.37x = 657,315,220,838.82
5. Step 5: Solve for x
   x = 657,315,220,838.82/923,612.37
6. Step 6: Final answer
   x = 711,678.67