Finding the Fourth Proportional to 1,345.32, 1,856.28 and 1,134.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.32 : 1,856.28 = 1,134.96 : x
2. Step 2: Convert to fraction form
   1,345.32/1,856.28 = 1,134.96/x
3. Step 3: Cross multiply
   1,345.32x = 1,856.28 × 1,134.96
4. Step 4: Simplify right side
   1,345.32x = 2,106,803.55
5. Step 5: Solve for x
   x = 2,106,803.55/1,345.32
6. Step 6: Final answer
   x = 1,566.02