Finding the Fourth Proportional to 1,875.51, 2,810.52 and 1,055.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.51 : 2,810.52 = 1,055.38 : x
2. Step 2: Convert to fraction form
   1,875.51/2,810.52 = 1,055.38/x
3. Step 3: Cross multiply
   1,875.51x = 2,810.52 × 1,055.38
4. Step 4: Simplify right side
   1,875.51x = 2,966,161.32
5. Step 5: Solve for x
   x = 2,966,161.32/1,875.51
6. Step 6: Final answer
   x = 1,581.53