Finding the Fourth Proportional to 1,002.42, 1,505.25 and 937.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.42 : 1,505.25 = 937.62 : x
2. Step 2: Convert to fraction form
   1,002.42/1,505.25 = 937.62/x
3. Step 3: Cross multiply
   1,002.42x = 1,505.25 × 937.62
4. Step 4: Simplify right side
   1,002.42x = 1,411,352.51
5. Step 5: Solve for x
   x = 1,411,352.51/1,002.42
6. Step 6: Final answer
   x = 1,407.95