Finding the Fourth Proportional to 1,812.79, 2,501.60 and 1,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.79 : 2,501.60 = 1,056.52 : x
2. Step 2: Convert to fraction form
   1,812.79/2,501.60 = 1,056.52/x
3. Step 3: Cross multiply
   1,812.79x = 2,501.60 × 1,056.52
4. Step 4: Simplify right side
   1,812.79x = 2,642,986.82
5. Step 5: Solve for x
   x = 2,642,986.82/1,812.79
6. Step 6: Final answer
   x = 1,457.97