Finding the Fourth Proportional to 2,996.04, 4,492.82 and 915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.04 : 4,492.82 = 915.50 : x
2. Step 2: Convert to fraction form
   2,996.04/4,492.82 = 915.50/x
3. Step 3: Cross multiply
   2,996.04x = 4,492.82 × 915.50
4. Step 4: Simplify right side
   2,996.04x = 4,113,176.71
5. Step 5: Solve for x
   x = 4,113,176.71/2,996.04
6. Step 6: Final answer
   x = 1,372.87