Finding the Fourth Proportional to 1,875.32, 2,809.42 and 1,054.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.32 : 2,809.42 = 1,054.18 : x
2. Step 2: Convert to fraction form
   1,875.32/2,809.42 = 1,054.18/x
3. Step 3: Cross multiply
   1,875.32x = 2,809.42 × 1,054.18
4. Step 4: Simplify right side
   1,875.32x = 2,961,634.38
5. Step 5: Solve for x
   x = 2,961,634.38/1,875.32
6. Step 6: Final answer
   x = 1,579.27