Finding the Fourth Proportional to 1,477.58, 2,039.01 and 953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.58 : 2,039.01 = 953.61 : x
2. Step 2: Convert to fraction form
   1,477.58/2,039.01 = 953.61/x
3. Step 3: Cross multiply
   1,477.58x = 2,039.01 × 953.61
4. Step 4: Simplify right side
   1,477.58x = 1,944,420.33
5. Step 5: Solve for x
   x = 1,944,420.33/1,477.58
6. Step 6: Final answer
   x = 1,315.95