Finding the Fourth Proportional to 1,897.56, 2,844.72 and 742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.56 : 2,844.72 = 742.50 : x
2. Step 2: Convert to fraction form
   1,897.56/2,844.72 = 742.50/x
3. Step 3: Cross multiply
   1,897.56x = 2,844.72 × 742.50
4. Step 4: Simplify right side
   1,897.56x = 2,112,204.60
5. Step 5: Solve for x
   x = 2,112,204.60/1,897.56
6. Step 6: Final answer
   x = 1,113.12