Finding the Fourth Proportional to 3,111.86, 4,669.76 and 1,262.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.86 : 4,669.76 = 1,262.99 : x
2. Step 2: Convert to fraction form
   3,111.86/4,669.76 = 1,262.99/x
3. Step 3: Cross multiply
   3,111.86x = 4,669.76 × 1,262.99
4. Step 4: Simplify right side
   3,111.86x = 5,897,830.52
5. Step 5: Solve for x
   x = 5,897,830.52/3,111.86
6. Step 6: Final answer
   x = 1,895.28