Finding the Fourth Proportional to 1,835.98, 2,532.81 and 1,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.98 : 2,532.81 = 1,172.50 : x
2. Step 2: Convert to fraction form
   1,835.98/2,532.81 = 1,172.50/x
3. Step 3: Cross multiply
   1,835.98x = 2,532.81 × 1,172.50
4. Step 4: Simplify right side
   1,835.98x = 2,969,719.73
5. Step 5: Solve for x
   x = 2,969,719.73/1,835.98
6. Step 6: Final answer
   x = 1,617.51