Finding the Fourth Proportional to 1,953.32, 2,695.50 and 1,167.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.32 : 2,695.50 = 1,167.21 : x
2. Step 2: Convert to fraction form
   1,953.32/2,695.50 = 1,167.21/x
3. Step 3: Cross multiply
   1,953.32x = 2,695.50 × 1,167.21
4. Step 4: Simplify right side
   1,953.32x = 3,146,214.56
5. Step 5: Solve for x
   x = 3,146,214.56/1,953.32
6. Step 6: Final answer
   x = 1,610.71