Finding the Fourth Proportional to 1,141.22, 1,572.56 and 787.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.22 : 1,572.56 = 787.25 : x
2. Step 2: Convert to fraction form
   1,141.22/1,572.56 = 787.25/x
3. Step 3: Cross multiply
   1,141.22x = 1,572.56 × 787.25
4. Step 4: Simplify right side
   1,141.22x = 1,237,997.86
5. Step 5: Solve for x
   x = 1,237,997.86/1,141.22
6. Step 6: Final answer
   x = 1,084.80