Finding the Fourth Proportional to 1,931.08, 2,664.69 and 1,185.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.08 : 2,664.69 = 1,185.07 : x
2. Step 2: Convert to fraction form
   1,931.08/2,664.69 = 1,185.07/x
3. Step 3: Cross multiply
   1,931.08x = 2,664.69 × 1,185.07
4. Step 4: Simplify right side
   1,931.08x = 3,157,834.55
5. Step 5: Solve for x
   x = 3,157,834.55/1,931.08
6. Step 6: Final answer
   x = 1,635.27