Finding the Fourth Proportional to 1,453.76, 2,006.15 and 790.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.76 : 2,006.15 = 790.61 : x
2. Step 2: Convert to fraction form
   1,453.76/2,006.15 = 790.61/x
3. Step 3: Cross multiply
   1,453.76x = 2,006.15 × 790.61
4. Step 4: Simplify right side
   1,453.76x = 1,586,068.27
5. Step 5: Solve for x
   x = 1,586,068.27/1,453.76
6. Step 6: Final answer
   x = 1,091.01