Finding the Fourth Proportional to 1,376.48, 1,900.08 and 962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.48 : 1,900.08 = 962.72 : x
2. Step 2: Convert to fraction form
   1,376.48/1,900.08 = 962.72/x
3. Step 3: Cross multiply
   1,376.48x = 1,900.08 × 962.72
4. Step 4: Simplify right side
   1,376.48x = 1,829,245.02
5. Step 5: Solve for x
   x = 1,829,245.02/1,376.48
6. Step 6: Final answer
   x = 1,328.93