Finding the Fourth Proportional to 1,769.16, 2,656.98 and 1,406.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.16 : 2,656.98 = 1,406.28 : x
2. Step 2: Convert to fraction form
   1,769.16/2,656.98 = 1,406.28/x
3. Step 3: Cross multiply
   1,769.16x = 2,656.98 × 1,406.28
4. Step 4: Simplify right side
   1,769.16x = 3,736,457.83
5. Step 5: Solve for x
   x = 3,736,457.83/1,769.16
6. Step 6: Final answer
   x = 2,112.00