Finding the Fourth Proportional to 1,093.10, 1,507.99 and 738.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.10 : 1,507.99 = 738.89 : x
2. Step 2: Convert to fraction form
   1,093.10/1,507.99 = 738.89/x
3. Step 3: Cross multiply
   1,093.10x = 1,507.99 × 738.89
4. Step 4: Simplify right side
   1,093.10x = 1,114,237.77
5. Step 5: Solve for x
   x = 1,114,237.77/1,093.10
6. Step 6: Final answer
   x = 1,019.34