Finding the Fourth Proportional to 942,100.79, 1,412,582.22 and 422,681.18

Step by Step Solution

1. Step 1: Write the proportion equation
   942,100.79 : 1,412,582.22 = 422,681.18 : x
2. Step 2: Convert to fraction form
   942,100.79/1,412,582.22 = 422,681.18/x
3. Step 3: Cross multiply
   942,100.79x = 1,412,582.22 × 422,681.18
4. Step 4: Simplify right side
   942,100.79x = 597,071,912,533.71
5. Step 5: Solve for x
   x = 597,071,912,533.71/942,100.79
6. Step 6: Final answer
   x = 633,766.50