Finding the Fourth Proportional to 1,875.72, 2,813.61 and 848.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.72 : 2,813.61 = 848.52 : x
2. Step 2: Convert to fraction form
   1,875.72/2,813.61 = 848.52/x
3. Step 3: Cross multiply
   1,875.72x = 2,813.61 × 848.52
4. Step 4: Simplify right side
   1,875.72x = 2,387,404.36
5. Step 5: Solve for x
   x = 2,387,404.36/1,875.72
6. Step 6: Final answer
   x = 1,272.79