Finding the Fourth Proportional to 1,061.91, 1,461.78 and 875.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.91 : 1,461.78 = 875.07 : x
2. Step 2: Convert to fraction form
   1,061.91/1,461.78 = 875.07/x
3. Step 3: Cross multiply
   1,061.91x = 1,461.78 × 875.07
4. Step 4: Simplify right side
   1,061.91x = 1,279,159.82
5. Step 5: Solve for x
   x = 1,279,159.82/1,061.91
6. Step 6: Final answer
   x = 1,204.58