Finding the Fourth Proportional to 1,521.60, 2,096.74 and 1,101.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.60 : 2,096.74 = 1,101.22 : x
2. Step 2: Convert to fraction form
   1,521.60/2,096.74 = 1,101.22/x
3. Step 3: Cross multiply
   1,521.60x = 2,096.74 × 1,101.22
4. Step 4: Simplify right side
   1,521.60x = 2,308,972.02
5. Step 5: Solve for x
   x = 2,308,972.02/1,521.60
6. Step 6: Final answer
   x = 1,517.46