Finding the Fourth Proportional to 1,111.37, 1,526.82 and 994.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.37 : 1,526.82 = 994.86 : x
2. Step 2: Convert to fraction form
   1,111.37/1,526.82 = 994.86/x
3. Step 3: Cross multiply
   1,111.37x = 1,526.82 × 994.86
4. Step 4: Simplify right side
   1,111.37x = 1,518,968.41
5. Step 5: Solve for x
   x = 1,518,968.41/1,111.37
6. Step 6: Final answer
   x = 1,366.76