Finding the Fourth Proportional to 1,376.24, 1,900.86 and 1,002.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.24 : 1,900.86 = 1,002.62 : x
2. Step 2: Convert to fraction form
   1,376.24/1,900.86 = 1,002.62/x
3. Step 3: Cross multiply
   1,376.24x = 1,900.86 × 1,002.62
4. Step 4: Simplify right side
   1,376.24x = 1,905,840.25
5. Step 5: Solve for x
   x = 1,905,840.25/1,376.24
6. Step 6: Final answer
   x = 1,384.82