Finding the Fourth Proportional to 1,131.84, 1,560.72 and 1,032.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.84 : 1,560.72 = 1,032.48 : x
2. Step 2: Convert to fraction form
   1,131.84/1,560.72 = 1,032.48/x
3. Step 3: Cross multiply
   1,131.84x = 1,560.72 × 1,032.48
4. Step 4: Simplify right side
   1,131.84x = 1,611,412.19
5. Step 5: Solve for x
   x = 1,611,412.19/1,131.84
6. Step 6: Final answer
   x = 1,423.71