Finding the Fourth Proportional to 1,914.50, 2,642.02 and 1,128.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.50 : 2,642.02 = 1,128.98 : x
2. Step 2: Convert to fraction form
   1,914.50/2,642.02 = 1,128.98/x
3. Step 3: Cross multiply
   1,914.50x = 2,642.02 × 1,128.98
4. Step 4: Simplify right side
   1,914.50x = 2,982,787.74
5. Step 5: Solve for x
   x = 2,982,787.74/1,914.50
6. Step 6: Final answer
   x = 1,558.00