Finding the Fourth Proportional to 1,354.68, 1,870.56 and 1,059.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.68 : 1,870.56 = 1,059.84 : x
2. Step 2: Convert to fraction form
   1,354.68/1,870.56 = 1,059.84/x
3. Step 3: Cross multiply
   1,354.68x = 1,870.56 × 1,059.84
4. Step 4: Simplify right side
   1,354.68x = 1,982,494.31
5. Step 5: Solve for x
   x = 1,982,494.31/1,354.68
6. Step 6: Final answer
   x = 1,463.44