Finding the Fourth Proportional to 2,976.32, 4,461.40 and 1,126.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.32 : 4,461.40 = 1,126.12 : x
2. Step 2: Convert to fraction form
   2,976.32/4,461.40 = 1,126.12/x
3. Step 3: Cross multiply
   2,976.32x = 4,461.40 × 1,126.12
4. Step 4: Simplify right side
   2,976.32x = 5,024,071.77
5. Step 5: Solve for x
   x = 5,024,071.77/2,976.32
6. Step 6: Final answer
   x = 1,688.01