Finding the Fourth Proportional to 1,980.50, 2,733.09 and 1,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.50 : 2,733.09 = 1,152.50 : x
2. Step 2: Convert to fraction form
   1,980.50/2,733.09 = 1,152.50/x
3. Step 3: Cross multiply
   1,980.50x = 2,733.09 × 1,152.50
4. Step 4: Simplify right side
   1,980.50x = 3,149,886.23
5. Step 5: Solve for x
   x = 3,149,886.23/1,980.50
6. Step 6: Final answer
   x = 1,590.45