Finding the Fourth Proportional to 1,927.89, 2,889.77 and 1,002.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.89 : 2,889.77 = 1,002.51 : x
2. Step 2: Convert to fraction form
   1,927.89/2,889.77 = 1,002.51/x
3. Step 3: Cross multiply
   1,927.89x = 2,889.77 × 1,002.51
4. Step 4: Simplify right side
   1,927.89x = 2,897,023.32
5. Step 5: Solve for x
   x = 2,897,023.32/1,927.89
6. Step 6: Final answer
   x = 1,502.69