Finding the Fourth Proportional to 1,875.74, 2,587.98 and 1,212.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.74 : 2,587.98 = 1,212.98 : x
2. Step 2: Convert to fraction form
   1,875.74/2,587.98 = 1,212.98/x
3. Step 3: Cross multiply
   1,875.74x = 2,587.98 × 1,212.98
4. Step 4: Simplify right side
   1,875.74x = 3,139,167.98
5. Step 5: Solve for x
   x = 3,139,167.98/1,875.74
6. Step 6: Final answer
   x = 1,673.56