Finding the Fourth Proportional to 1,812.54, 2,501.32 and 1,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.54 : 2,501.32 = 1,066.50 : x
2. Step 2: Convert to fraction form
   1,812.54/2,501.32 = 1,066.50/x
3. Step 3: Cross multiply
   1,812.54x = 2,501.32 × 1,066.50
4. Step 4: Simplify right side
   1,812.54x = 2,667,657.78
5. Step 5: Solve for x
   x = 2,667,657.78/1,812.54
6. Step 6: Final answer
   x = 1,471.78