Finding the Fourth Proportional to 1,111.98, 1,532.77 and 875.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.98 : 1,532.77 = 875.56 : x
2. Step 2: Convert to fraction form
   1,111.98/1,532.77 = 875.56/x
3. Step 3: Cross multiply
   1,111.98x = 1,532.77 × 875.56
4. Step 4: Simplify right side
   1,111.98x = 1,342,029.36
5. Step 5: Solve for x
   x = 1,342,029.36/1,111.98
6. Step 6: Final answer
   x = 1,206.88