Finding the Fourth Proportional to 1,501.25, 2,071.88 and 903.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.25 : 2,071.88 = 903.94 : x
2. Step 2: Convert to fraction form
   1,501.25/2,071.88 = 903.94/x
3. Step 3: Cross multiply
   1,501.25x = 2,071.88 × 903.94
4. Step 4: Simplify right side
   1,501.25x = 1,872,855.21
5. Step 5: Solve for x
   x = 1,872,855.21/1,501.25
6. Step 6: Final answer
   x = 1,247.53