Finding the Fourth Proportional to 1,875.43, 2,816.47 and 1,779.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.43 : 2,816.47 = 1,779.71 : x
2. Step 2: Convert to fraction form
   1,875.43/2,816.47 = 1,779.71/x
3. Step 3: Cross multiply
   1,875.43x = 2,816.47 × 1,779.71
4. Step 4: Simplify right side
   1,875.43x = 5,012,499.82
5. Step 5: Solve for x
   x = 5,012,499.82/1,875.43
6. Step 6: Final answer
   x = 2,672.73