Finding the Fourth Proportional to 1,566.86, 2,162.04 and 903.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.86 : 2,162.04 = 903.74 : x
2. Step 2: Convert to fraction form
   1,566.86/2,162.04 = 903.74/x
3. Step 3: Cross multiply
   1,566.86x = 2,162.04 × 903.74
4. Step 4: Simplify right side
   1,566.86x = 1,953,911.22
5. Step 5: Solve for x
   x = 1,953,911.22/1,566.86
6. Step 6: Final answer
   x = 1,247.03