Finding the Fourth Proportional to 1,043.01, 1,439.82 and 670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.01 : 1,439.82 = 670.50 : x
2. Step 2: Convert to fraction form
   1,043.01/1,439.82 = 670.50/x
3. Step 3: Cross multiply
   1,043.01x = 1,439.82 × 670.50
4. Step 4: Simplify right side
   1,043.01x = 965,399.31
5. Step 5: Solve for x
   x = 965,399.31/1,043.01
6. Step 6: Final answer
   x = 925.59