Finding the Fourth Proportional to 1,546.52, 2,133.61 and 987.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546.52 : 2,133.61 = 987.01 : x
2. Step 2: Convert to fraction form
   1,546.52/2,133.61 = 987.01/x
3. Step 3: Cross multiply
   1,546.52x = 2,133.61 × 987.01
4. Step 4: Simplify right side
   1,546.52x = 2,105,886.60
5. Step 5: Solve for x
   x = 2,105,886.60/1,546.52
6. Step 6: Final answer
   x = 1,361.70