Finding the Fourth Proportional to 2,077.76, 3,111.06 and 1,523.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.76 : 3,111.06 = 1,523.72 : x
2. Step 2: Convert to fraction form
   2,077.76/3,111.06 = 1,523.72/x
3. Step 3: Cross multiply
   2,077.76x = 3,111.06 × 1,523.72
4. Step 4: Simplify right side
   2,077.76x = 4,740,384.34
5. Step 5: Solve for x
   x = 4,740,384.34/2,077.76
6. Step 6: Final answer
   x = 2,281.49