Finding the Fourth Proportional to 1,112.18, 1,534.83 and 670.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.18 : 1,534.83 = 670.10 : x
2. Step 2: Convert to fraction form
   1,112.18/1,534.83 = 670.10/x
3. Step 3: Cross multiply
   1,112.18x = 1,534.83 × 670.10
4. Step 4: Simplify right side
   1,112.18x = 1,028,489.58
5. Step 5: Solve for x
   x = 1,028,489.58/1,112.18
6. Step 6: Final answer
   x = 924.75