Finding the Fourth Proportional to 1,049.76, 1,575.18 and 472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.76 : 1,575.18 = 472.50 : x
2. Step 2: Convert to fraction form
   1,049.76/1,575.18 = 472.50/x
3. Step 3: Cross multiply
   1,049.76x = 1,575.18 × 472.50
4. Step 4: Simplify right side
   1,049.76x = 744,272.55
5. Step 5: Solve for x
   x = 744,272.55/1,049.76
6. Step 6: Final answer
   x = 708.99