Finding the Fourth Proportional to 1,354.32, 1,870.29 and 1,156.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.32 : 1,870.29 = 1,156.68 : x
2. Step 2: Convert to fraction form
   1,354.32/1,870.29 = 1,156.68/x
3. Step 3: Cross multiply
   1,354.32x = 1,870.29 × 1,156.68
4. Step 4: Simplify right side
   1,354.32x = 2,163,327.04
5. Step 5: Solve for x
   x = 2,163,327.04/1,354.32
6. Step 6: Final answer
   x = 1,597.35