Finding the Fourth Proportional to 1,932.80, 2,667.52 and 1,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.80 : 2,667.52 = 1,312 : x
2. Step 2: Convert to fraction form
   1,932.80/2,667.52 = 1,312/x
3. Step 3: Cross multiply
   1,932.80x = 2,667.52 × 1,312
4. Step 4: Simplify right side
   1,932.80x = 3,499,786.24
5. Step 5: Solve for x
   x = 3,499,786.24/1,932.80
6. Step 6: Final answer
   x = 1,810.73