Finding the Fourth Proportional to 1,346.27, 1,857.98 and 787.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.27 : 1,857.98 = 787.01 : x
2. Step 2: Convert to fraction form
   1,346.27/1,857.98 = 787.01/x
3. Step 3: Cross multiply
   1,346.27x = 1,857.98 × 787.01
4. Step 4: Simplify right side
   1,346.27x = 1,462,248.84
5. Step 5: Solve for x
   x = 1,462,248.84/1,346.27
6. Step 6: Final answer
   x = 1,086.15