Finding the Fourth Proportional to 726,061.69, 1,089,144.56 and 193,579.93

Step by Step Solution

1. Step 1: Write the proportion equation
   726,061.69 : 1,089,144.56 = 193,579.93 : x
2. Step 2: Convert to fraction form
   726,061.69/1,089,144.56 = 193,579.93/x
3. Step 3: Cross multiply
   726,061.69x = 1,089,144.56 × 193,579.93
4. Step 4: Simplify right side
   726,061.69x = 210,836,527,684.68
5. Step 5: Solve for x
   x = 210,836,527,684.68/726,061.69
6. Step 6: Final answer
   x = 290,383.77