Finding the Fourth Proportional to 1,113.02, 1,670.27 and 626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.02 : 1,670.27 = 626.50 : x
2. Step 2: Convert to fraction form
   1,113.02/1,670.27 = 626.50/x
3. Step 3: Cross multiply
   1,113.02x = 1,670.27 × 626.50
4. Step 4: Simplify right side
   1,113.02x = 1,046,424.16
5. Step 5: Solve for x
   x = 1,046,424.16/1,113.02
6. Step 6: Final answer
   x = 940.17