Finding the Fourth Proportional to 1,477.68, 2,216.72 and 503.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.68 : 2,216.72 = 503.52 : x
2. Step 2: Convert to fraction form
   1,477.68/2,216.72 = 503.52/x
3. Step 3: Cross multiply
   1,477.68x = 2,216.72 × 503.52
4. Step 4: Simplify right side
   1,477.68x = 1,116,162.85
5. Step 5: Solve for x
   x = 1,116,162.85/1,477.68
6. Step 6: Final answer
   x = 755.35