Finding the Fourth Proportional to 1,242, 1,852.02 and 1,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242 : 1,852.02 = 1,152.72 : x
2. Step 2: Convert to fraction form
   1,242/1,852.02 = 1,152.72/x
3. Step 3: Cross multiply
   1,242x = 1,852.02 × 1,152.72
4. Step 4: Simplify right side
   1,242x = 2,134,860.49
5. Step 5: Solve for x
   x = 2,134,860.49/1,242
6. Step 6: Final answer
   x = 1,718.89