Finding the Fourth Proportional to 802.10, 1,106.82 and 452.76

Step by Step Solution

1. Step 1: Write the proportion equation
   802.10 : 1,106.82 = 452.76 : x
2. Step 2: Convert to fraction form
   802.10/1,106.82 = 452.76/x
3. Step 3: Cross multiply
   802.10x = 1,106.82 × 452.76
4. Step 4: Simplify right side
   802.10x = 501,123.82
5. Step 5: Solve for x
   x = 501,123.82/802.10
6. Step 6: Final answer
   x = 624.76