Finding the Fourth Proportional to 932,796.89, 1,399,439.69 and 293,074.78

Step by Step Solution

1. Step 1: Write the proportion equation
   932,796.89 : 1,399,439.69 = 293,074.78 : x
2. Step 2: Convert to fraction form
   932,796.89/1,399,439.69 = 293,074.78/x
3. Step 3: Cross multiply
   932,796.89x = 1,399,439.69 × 293,074.78
4. Step 4: Simplify right side
   932,796.89x = 410,140,479,270.02
5. Step 5: Solve for x
   x = 410,140,479,270.02/932,796.89
6. Step 6: Final answer
   x = 439,688.94