Finding the Fourth Proportional to 2,156.61, 2,975.06 and 1,410.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.61 : 2,975.06 = 1,410.60 : x
2. Step 2: Convert to fraction form
   2,156.61/2,975.06 = 1,410.60/x
3. Step 3: Cross multiply
   2,156.61x = 2,975.06 × 1,410.60
4. Step 4: Simplify right side
   2,156.61x = 4,196,612.58
5. Step 5: Solve for x
   x = 4,196,612.58/2,156.61
6. Step 6: Final answer
   x = 1,945.93