Finding the Fourth Proportional to 942,162.72, 1,412,388.78 and 342,700.08

Step by Step Solution

1. Step 1: Write the proportion equation
   942,162.72 : 1,412,388.78 = 342,700.08 : x
2. Step 2: Convert to fraction form
   942,162.72/1,412,388.78 = 342,700.08/x
3. Step 3: Cross multiply
   942,162.72x = 1,412,388.78 × 342,700.08
4. Step 4: Simplify right side
   942,162.72x = 484,025,747,897.10
5. Step 5: Solve for x
   x = 484,025,747,897.10/942,162.72
6. Step 6: Final answer
   x = 513,739.02