Finding the Fourth Proportional to 1,929.89, 2,895.55 and 631.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.89 : 2,895.55 = 631.33 : x
2. Step 2: Convert to fraction form
   1,929.89/2,895.55 = 631.33/x
3. Step 3: Cross multiply
   1,929.89x = 2,895.55 × 631.33
4. Step 4: Simplify right side
   1,929.89x = 1,828,038.76
5. Step 5: Solve for x
   x = 1,828,038.76/1,929.89
6. Step 6: Final answer
   x = 947.22