Finding the Fourth Proportional to 1,034.96, 1,551.20 and 790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.96 : 1,551.20 = 790.72 : x
2. Step 2: Convert to fraction form
   1,034.96/1,551.20 = 790.72/x
3. Step 3: Cross multiply
   1,034.96x = 1,551.20 × 790.72
4. Step 4: Simplify right side
   1,034.96x = 1,226,564.86
5. Step 5: Solve for x
   x = 1,226,564.86/1,034.96
6. Step 6: Final answer
   x = 1,185.13