Finding the Fourth Proportional to 1,895.61, 2,615.78 and 1,056.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.61 : 2,615.78 = 1,056.25 : x
2. Step 2: Convert to fraction form
   1,895.61/2,615.78 = 1,056.25/x
3. Step 3: Cross multiply
   1,895.61x = 2,615.78 × 1,056.25
4. Step 4: Simplify right side
   1,895.61x = 2,762,913.73
5. Step 5: Solve for x
   x = 2,762,913.73/1,895.61
6. Step 6: Final answer
   x = 1,457.53