Finding the Fourth Proportional to 2,277.18, 3,142.35 and 1,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277.18 : 3,142.35 = 1,345.50 : x
2. Step 2: Convert to fraction form
   2,277.18/3,142.35 = 1,345.50/x
3. Step 3: Cross multiply
   2,277.18x = 3,142.35 × 1,345.50
4. Step 4: Simplify right side
   2,277.18x = 4,228,031.93
5. Step 5: Solve for x
   x = 4,228,031.93/2,277.18
6. Step 6: Final answer
   x = 1,856.70