Finding the Fourth Proportional to 2,086.14, 3,128.56 and 624.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.14 : 3,128.56 = 624.93 : x
2. Step 2: Convert to fraction form
   2,086.14/3,128.56 = 624.93/x
3. Step 3: Cross multiply
   2,086.14x = 3,128.56 × 624.93
4. Step 4: Simplify right side
   2,086.14x = 1,955,131.00
5. Step 5: Solve for x
   x = 1,955,131.00/2,086.14
6. Step 6: Final answer
   x = 937.20