Finding the Fourth Proportional to 1,051.02, 1,575.27 and 742.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.02 : 1,575.27 = 742.41 : x
2. Step 2: Convert to fraction form
   1,051.02/1,575.27 = 742.41/x
3. Step 3: Cross multiply
   1,051.02x = 1,575.27 × 742.41
4. Step 4: Simplify right side
   1,051.02x = 1,169,496.20
5. Step 5: Solve for x
   x = 1,169,496.20/1,051.02
6. Step 6: Final answer
   x = 1,112.72