Finding the Fourth Proportional to 1,656.45, 2,483.76 and 874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656.45 : 2,483.76 = 874.50 : x
2. Step 2: Convert to fraction form
   1,656.45/2,483.76 = 874.50/x
3. Step 3: Cross multiply
   1,656.45x = 2,483.76 × 874.50
4. Step 4: Simplify right side
   1,656.45x = 2,172,042.09
5. Step 5: Solve for x
   x = 2,172,042.09/1,656.45
6. Step 6: Final answer
   x = 1,311.26