Finding the Fourth Proportional to 1,093.81, 1,641.39 and 632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.81 : 1,641.39 = 632.50 : x
2. Step 2: Convert to fraction form
   1,093.81/1,641.39 = 632.50/x
3. Step 3: Cross multiply
   1,093.81x = 1,641.39 × 632.50
4. Step 4: Simplify right side
   1,093.81x = 1,038,179.18
5. Step 5: Solve for x
   x = 1,038,179.18/1,093.81
6. Step 6: Final answer
   x = 949.14