Finding the Fourth Proportional to 1,117.34, 1,541.88 and 738.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117.34 : 1,541.88 = 738.76 : x
2. Step 2: Convert to fraction form
   1,117.34/1,541.88 = 738.76/x
3. Step 3: Cross multiply
   1,117.34x = 1,541.88 × 738.76
4. Step 4: Simplify right side
   1,117.34x = 1,139,079.27
5. Step 5: Solve for x
   x = 1,139,079.27/1,117.34
6. Step 6: Final answer
   x = 1,019.46