Finding the Fourth Proportional to 1,492.38, 2,059.50 and 902.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.38 : 2,059.50 = 902.76 : x
2. Step 2: Convert to fraction form
   1,492.38/2,059.50 = 902.76/x
3. Step 3: Cross multiply
   1,492.38x = 2,059.50 × 902.76
4. Step 4: Simplify right side
   1,492.38x = 1,859,234.22
5. Step 5: Solve for x
   x = 1,859,234.22/1,492.38
6. Step 6: Final answer
   x = 1,245.82