Finding the Fourth Proportional to 2,541.32, 3,810.65 and 981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.32 : 3,810.65 = 981.86 : x
2. Step 2: Convert to fraction form
   2,541.32/3,810.65 = 981.86/x
3. Step 3: Cross multiply
   2,541.32x = 3,810.65 × 981.86
4. Step 4: Simplify right side
   2,541.32x = 3,741,524.81
5. Step 5: Solve for x
   x = 3,741,524.81/2,541.32
6. Step 6: Final answer
   x = 1,472.28