Finding the Fourth Proportional to 1,607.47, 2,219.57 and 1,233.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.47 : 2,219.57 = 1,233.86 : x
2. Step 2: Convert to fraction form
   1,607.47/2,219.57 = 1,233.86/x
3. Step 3: Cross multiply
   1,607.47x = 2,219.57 × 1,233.86
4. Step 4: Simplify right side
   1,607.47x = 2,738,632.47
5. Step 5: Solve for x
   x = 2,738,632.47/1,607.47
6. Step 6: Final answer
   x = 1,703.69