Finding the Fourth Proportional to 1,050.91, 1,577.27 and 503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.91 : 1,577.27 = 503.25 : x
2. Step 2: Convert to fraction form
   1,050.91/1,577.27 = 503.25/x
3. Step 3: Cross multiply
   1,050.91x = 1,577.27 × 503.25
4. Step 4: Simplify right side
   1,050.91x = 793,756.47
5. Step 5: Solve for x
   x = 793,756.47/1,050.91
6. Step 6: Final answer
   x = 755.31