Finding the Fourth Proportional to 1,476.74, 2,037.89 and 813.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.74 : 2,037.89 = 813.57 : x
2. Step 2: Convert to fraction form
   1,476.74/2,037.89 = 813.57/x
3. Step 3: Cross multiply
   1,476.74x = 2,037.89 × 813.57
4. Step 4: Simplify right side
   1,476.74x = 1,657,972.02
5. Step 5: Solve for x
   x = 1,657,972.02/1,476.74
6. Step 6: Final answer
   x = 1,122.72