Finding the Fourth Proportional to 1,607.86, 2,219.31 and 944.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.86 : 2,219.31 = 944.74 : x
2. Step 2: Convert to fraction form
   1,607.86/2,219.31 = 944.74/x
3. Step 3: Cross multiply
   1,607.86x = 2,219.31 × 944.74
4. Step 4: Simplify right side
   1,607.86x = 2,096,670.93
5. Step 5: Solve for x
   x = 2,096,670.93/1,607.86
6. Step 6: Final answer
   x = 1,304.01