Finding the Fourth Proportional to 1,476.69, 2,037.72 and 813.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.69 : 2,037.72 = 813.48 : x
2. Step 2: Convert to fraction form
   1,476.69/2,037.72 = 813.48/x
3. Step 3: Cross multiply
   1,476.69x = 2,037.72 × 813.48
4. Step 4: Simplify right side
   1,476.69x = 1,657,644.47
5. Step 5: Solve for x
   x = 1,657,644.47/1,476.69
6. Step 6: Final answer
   x = 1,122.54