Finding the Fourth Proportional to 1,347.88, 1,859.12 and 1,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.88 : 1,859.12 = 1,302.72 : x
2. Step 2: Convert to fraction form
   1,347.88/1,859.12 = 1,302.72/x
3. Step 3: Cross multiply
   1,347.88x = 1,859.12 × 1,302.72
4. Step 4: Simplify right side
   1,347.88x = 2,421,912.81
5. Step 5: Solve for x
   x = 2,421,912.81/1,347.88
6. Step 6: Final answer
   x = 1,796.83