Finding the Fourth Proportional to 1,918.88, 2,652.78 and 1,901.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918.88 : 2,652.78 = 1,901.34 : x
2. Step 2: Convert to fraction form
   1,918.88/2,652.78 = 1,901.34/x
3. Step 3: Cross multiply
   1,918.88x = 2,652.78 × 1,901.34
4. Step 4: Simplify right side
   1,918.88x = 5,043,836.73
5. Step 5: Solve for x
   x = 5,043,836.73/1,918.88
6. Step 6: Final answer
   x = 2,628.53