Finding the Fourth Proportional to 3,477.32, 5,216.84 and 1,012.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,477.32 : 5,216.84 = 1,012.16 : x
2. Step 2: Convert to fraction form
   3,477.32/5,216.84 = 1,012.16/x
3. Step 3: Cross multiply
   3,477.32x = 5,216.84 × 1,012.16
4. Step 4: Simplify right side
   3,477.32x = 5,280,276.77
5. Step 5: Solve for x
   x = 5,280,276.77/3,477.32
6. Step 6: Final answer
   x = 1,518.49