Finding the Fourth Proportional to 1,800.50, 2,484.69 and 972.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.50 : 2,484.69 = 972.50 : x
2. Step 2: Convert to fraction form
   1,800.50/2,484.69 = 972.50/x
3. Step 3: Cross multiply
   1,800.50x = 2,484.69 × 972.50
4. Step 4: Simplify right side
   1,800.50x = 2,416,361.03
5. Step 5: Solve for x
   x = 2,416,361.03/1,800.50
6. Step 6: Final answer
   x = 1,342.05