Finding the Fourth Proportional to 1,270.68, 1,903.86 and 1,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270.68 : 1,903.86 = 1,075.50 : x
2. Step 2: Convert to fraction form
   1,270.68/1,903.86 = 1,075.50/x
3. Step 3: Cross multiply
   1,270.68x = 1,903.86 × 1,075.50
4. Step 4: Simplify right side
   1,270.68x = 2,047,601.43
5. Step 5: Solve for x
   x = 2,047,601.43/1,270.68
6. Step 6: Final answer
   x = 1,611.42