Finding the Fourth Proportional to 1,146.48, 1,719.06 and 626.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.48 : 1,719.06 = 626.10 : x
2. Step 2: Convert to fraction form
   1,146.48/1,719.06 = 626.10/x
3. Step 3: Cross multiply
   1,146.48x = 1,719.06 × 626.10
4. Step 4: Simplify right side
   1,146.48x = 1,076,303.47
5. Step 5: Solve for x
   x = 1,076,303.47/1,146.48
6. Step 6: Final answer
   x = 938.79