Finding the Fourth Proportional to 1,301.55, 1,799.60 and 1,137.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.55 : 1,799.60 = 1,137.53 : x
2. Step 2: Convert to fraction form
   1,301.55/1,799.60 = 1,137.53/x
3. Step 3: Cross multiply
   1,301.55x = 1,799.60 × 1,137.53
4. Step 4: Simplify right side
   1,301.55x = 2,047,084.30
5. Step 5: Solve for x
   x = 2,047,084.30/1,301.55
6. Step 6: Final answer
   x = 1,572.80