Finding the Fourth Proportional to 1,417.48, 1,955.76 and 886.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.48 : 1,955.76 = 886.12 : x
2. Step 2: Convert to fraction form
   1,417.48/1,955.76 = 886.12/x
3. Step 3: Cross multiply
   1,417.48x = 1,955.76 × 886.12
4. Step 4: Simplify right side
   1,417.48x = 1,733,038.05
5. Step 5: Solve for x
   x = 1,733,038.05/1,417.48
6. Step 6: Final answer
   x = 1,222.62